diff --git a/config.c b/config.c
index 46b3d2d2..bf3c4175 100644
--- a/config.c
+++ b/config.c
@@ -356,9 +356,9 @@ open_config(void)
 
     /* First, check XDG_CONFIG_HOME (or .config, if unset) */
     if (xdg_config_home != NULL && xdg_config_home[0] != '\0')
-        path = xstrjoin(xdg_config_home, "/foot/foot.ini", 0);
+        path = xstrjoin(xdg_config_home, "/foot/foot.ini");
     else if (home_dir != NULL)
-        path = xstrjoin(home_dir, "/.config/foot/foot.ini", 0);
+        path = xstrjoin(home_dir, "/.config/foot/foot.ini");
 
     if (path != NULL) {
         LOG_DBG("checking for %s", path);
@@ -383,7 +383,7 @@ open_config(void)
          conf_dir = strtok(NULL, ":"))
     {
         free(path);
-        path = xstrjoin(conf_dir, "/foot/foot.ini", 0);
+        path = xstrjoin(conf_dir, "/foot/foot.ini");
 
         LOG_DBG("checking for %s", path);
         int fd = open(path, O_RDONLY | O_CLOEXEC);
@@ -843,7 +843,7 @@ parse_section_main(struct context *ctx)
                 return false;
             }
 
-            _include_path = xasprintf("%s/%s", home_dir, value + 2);
+            _include_path = xstrjoin3(home_dir, "/", value + 2);
             include_path = _include_path;
         } else
             include_path = value;
@@ -2931,7 +2931,7 @@ get_server_socket_path(void)
 
     const char *wayland_display = getenv("WAYLAND_DISPLAY");
     if (wayland_display == NULL) {
-        return xstrjoin(xdg_runtime, "/foot.sock", 0);
+        return xstrjoin(xdg_runtime, "/foot.sock");
     }
 
     return xasprintf("%s/foot-%s.sock", xdg_runtime, wayland_display);
diff --git a/main.c b/main.c
index a6ec1cb7..f46d712e 100644
--- a/main.c
+++ b/main.c
@@ -258,7 +258,7 @@ main(int argc, char *const *argv)
             break;
 
         case 't':
-            tll_push_back(overrides, xstrjoin("term=", optarg, 0));
+            tll_push_back(overrides, xstrjoin("term=", optarg));
             break;
 
         case 'L':
@@ -266,11 +266,11 @@ main(int argc, char *const *argv)
             break;
 
         case 'T':
-            tll_push_back(overrides, xstrjoin("title=", optarg, 0));
+            tll_push_back(overrides, xstrjoin("title=", optarg));
             break;
 
         case 'a':
-            tll_push_back(overrides, xstrjoin("app-id=", optarg, 0));
+            tll_push_back(overrides, xstrjoin("app-id=", optarg));
             break;
 
         case 'D': {
@@ -284,7 +284,7 @@ main(int argc, char *const *argv)
         }
 
         case 'f': {
-            char *font_override = xstrjoin("font=", optarg, 0);
+            char *font_override = xstrjoin("font=", optarg);
             tll_push_back(overrides, font_override);
             break;
         }
@@ -658,15 +658,19 @@ out:
 
 UNITTEST
 {
-    char *s = xstrjoin("foo", "bar", 0);
+    char *s = xstrjoin("foo", "bar");
     xassert(streq(s, "foobar"));
     free(s);
 
-    s = xstrjoin("foo", "bar", ' ');
+    s = xstrjoin3("foo", " ", "bar");
     xassert(streq(s, "foo bar"));
     free(s);
 
-    s = xstrjoin("foo", "bar", ',');
+    s = xstrjoin3("foo", ",", "bar");
     xassert(streq(s, "foo,bar"));
     free(s);
+
+    s = xstrjoin3("foo", "bar", "baz");
+    xassert(streq(s, "foobarbaz"));
+    free(s);
 }
diff --git a/notify.c b/notify.c
index 9d2d3c71..15139c40 100644
--- a/notify.c
+++ b/notify.c
@@ -77,7 +77,7 @@ write_icon_file(const void *data, size_t data_sz, int *fd, char **filename,
 
     LOG_DBG("wrote icon data to %s", name);
     *filename = xstrdup(name);
-    *symbolic_name = xasprintf("file://%s", *filename);
+    *symbolic_name = xstrjoin("file://", *filename);
     return true;
 }
 
diff --git a/osc.c b/osc.c
index 3ae8a051..28d8b7b8 100644
--- a/osc.c
+++ b/osc.c
@@ -797,7 +797,7 @@ kitty_notification(struct terminal *term, char *string)
                 else {
                     /* Append, comma separated */
                     char *old_category = category;
-                    category = xstrjoin(old_category, decoded, ',');
+                    category = xstrjoin3(old_category, ",", decoded);
                     free(decoded);
                     free(old_category);
                 }
@@ -940,7 +940,7 @@ kitty_notification(struct terminal *term, char *string)
             category = NULL;  /* Prevent double free */
         } else {
             /* Append, comma separated */
-            char *new_category = xstrjoin(notif->category, category, ',');
+            char *new_category = xstrjoin3(notif->category, ",", category);
             free(notif->category);
             notif->category = new_category;
         }
@@ -959,7 +959,7 @@ kitty_notification(struct terminal *term, char *string)
             payload = NULL;
         } else {
             char *old = *ptr;
-            *ptr = xstrjoin(old, payload, 0);
+            *ptr = xstrjoin(old, payload);
             free(old);
         }
         break;
@@ -1032,7 +1032,7 @@ kitty_notification(struct terminal *term, char *string)
                     alive_ids = xstrdup(item_id);
                 else {
                     char *old_alive_ids = alive_ids;
-                    alive_ids = xstrjoin(old_alive_ids, item_id, ',');
+                    alive_ids = xstrjoin3(old_alive_ids, ",", item_id);
                     free(old_alive_ids);
                 }
             }
diff --git a/slave.c b/slave.c
index 00105adb..bf1ca8e0 100644
--- a/slave.c
+++ b/slave.c
@@ -55,7 +55,7 @@ find_file_in_path(const char *file)
          path != NULL;
          path = strtok(NULL, ":"))
     {
-        char *full = xasprintf("%s/%s", path, file);
+        char *full = xstrjoin3(path, "/", file);
         if (access(full, F_OK) == 0) {
             free(path_list);
             return full;
@@ -329,7 +329,7 @@ add_to_env(struct environ *env, const char *name, const char *value)
     if (env->envp == NULL)
         setenv(name, value, 1);
     else {
-        char *e = xasprintf("%s=%s", name, value);
+        char *e = xstrjoin3(name, "=", value);
 
         /* Search for existing variable. If found, replace it with the
            new value */
diff --git a/terminal.c b/terminal.c
index 16de2d65..5699e6b5 100644
--- a/terminal.c
+++ b/terminal.c
@@ -994,7 +994,7 @@ reload_fonts(struct terminal *term, bool resize_grid)
                 snprintf(size, sizeof(size), ":size=%.2f",
                          term->font_sizes[i][j].pt_size * scale);
 
-            names[i][j] = xstrjoin(font->pattern, size, 0);
+            names[i][j] = xstrjoin(font->pattern, size);
         }
     }
 
@@ -1021,9 +1021,9 @@ reload_fonts(struct terminal *term, bool resize_grid)
 
     char *attrs[4] = {
         [0] = dpi, /* Takes ownership */
-        [1] = xstrjoin(dpi, !custom_bold ? ":weight=bold" : "", 0),
-        [2] = xstrjoin(dpi, !custom_italic ? ":slant=italic" : "", 0),
-        [3] = xstrjoin(dpi, !custom_bold_italic ? ":weight=bold:slant=italic" : "", 0),
+        [1] = xstrjoin(dpi, !custom_bold ? ":weight=bold" : ""),
+        [2] = xstrjoin(dpi, !custom_italic ? ":slant=italic" : ""),
+        [3] = xstrjoin(dpi, !custom_bold_italic ? ":weight=bold:slant=italic" : ""),
     };
 
     struct fcft_font *fonts[4];
diff --git a/xmalloc.h b/xmalloc.h
index 76db7e1b..8a2c208f 100644
--- a/xmalloc.h
+++ b/xmalloc.h
@@ -25,16 +25,25 @@ xmemdup(const void *ptr, size_t size)
 }
 
 static inline char *
-xstrjoin(const char *s1, const char *s2, char delim)
+xstrjoin(const char *s1, const char *s2)
 {
     size_t n1 = strlen(s1);
-    size_t n2 = delim > 0 ? 1 : 0;
-    size_t n3 = strlen(s2);
-
-    char *joined = xmalloc(n1 + n2 + n3 + 1);
+    size_t n2 = strlen(s2);
+    char *joined = xmalloc(n1 + n2 + 1);
     memcpy(joined, s1, n1);
-    if (delim > 0)
-        joined[n1] = delim;
-    memcpy(joined + n1 + n2, s2, n3 + 1);
+    memcpy(joined + n1, s2, n2 + 1);
+    return joined;
+}
+
+static inline char *
+xstrjoin3(const char *s1, const char *s2, const char *s3)
+{
+    size_t n1 = strlen(s1);
+    size_t n2 = strlen(s2);
+    size_t n3 = strlen(s3);
+    char *joined = xmalloc(n1 + n2 + n3 + 1);
+    memcpy(joined, s1, n1);
+    memcpy(joined + n1, s2, n2);
+    memcpy(joined + n1 + n2, s3, n3 + 1);
     return joined;
 }