diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0fb7015b..0522978d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -89,6 +89,8 @@
   overrides on the command line.
 * Crash when seat has no keyboard
   (https://codeberg.org/dnkl/foot/issues/963).
+* Key presses with e.g. `AltGr` triggering key combinations with the
+  base symbol (https://codeberg.org/dnkl/foot/issues/983).
 
 
 ### Security
diff --git a/input.c b/input.c
index 047d7c86..6dbf7fe3 100644
--- a/input.c
+++ b/input.c
@@ -1030,6 +1030,12 @@ get_current_modifiers(const struct seat *seat,
     }
 }
 
+static xkb_mod_mask_t
+get_locked_modifiers(const struct seat *seat)
+{
+    return xkb_state_serialize_mods(seat->kbd.xkb_state, XKB_STATE_MODS_LOCKED);
+}
+
 struct kbd_ctx {
     xkb_layout_index_t layout;
     xkb_keycode_t key;
@@ -1488,8 +1494,11 @@ key_press_release(struct seat *seat, struct terminal *term, uint32_t serial,
     xkb_mod_mask_t mods, consumed;
     get_current_modifiers(seat, &mods, &consumed, key);
 
-    xkb_mod_mask_t bind_mods = mods & seat->kbd.bind_significant;
-    xkb_mod_mask_t bind_consumed = consumed & seat->kbd.bind_significant;
+    const xkb_mod_mask_t locked = get_locked_modifiers(seat);
+    const xkb_mod_mask_t bind_mods
+        = mods & seat->kbd.bind_significant & ~locked;
+    const xkb_mod_mask_t bind_consumed =
+        consumed & seat->kbd.bind_significant & ~locked;
 
     xkb_layout_index_t layout_idx =
         xkb_state_key_get_layout(seat->kbd.xkb_state, key);
@@ -1504,7 +1513,7 @@ key_press_release(struct seat *seat, struct terminal *term, uint32_t serial,
                 start_repeater(seat, key);
 
             search_input(
-                seat, term, key, sym, bind_mods, bind_consumed,
+                seat, term, key, sym, mods, consumed, locked,
                 raw_syms, raw_count, serial);
             return;
         }
@@ -1514,7 +1523,7 @@ key_press_release(struct seat *seat, struct terminal *term, uint32_t serial,
                 start_repeater(seat, key);
 
             urls_input(
-                seat, term, key, sym, bind_mods, bind_consumed,
+                seat, term, key, sym, mods, consumed, locked,
                 raw_syms, raw_count, serial);
             return;
         }
@@ -1553,7 +1562,7 @@ key_press_release(struct seat *seat, struct terminal *term, uint32_t serial,
                 goto maybe_repeat;
             }
 
-            if (bind->mods != bind_mods)
+            if (bind->mods != bind_mods || bind_mods != (mods & ~locked))
                 continue;
 
             /* Match untranslated symbols */
diff --git a/search.c b/search.c
index 6251c697..b422d957 100644
--- a/search.c
+++ b/search.c
@@ -822,11 +822,16 @@ execute_binding(struct seat *seat, struct terminal *term,
 void
 search_input(struct seat *seat, struct terminal *term, uint32_t key,
              xkb_keysym_t sym, xkb_mod_mask_t mods, xkb_mod_mask_t consumed,
+             xkb_mod_mask_t locked,
              const xkb_keysym_t *raw_syms, size_t raw_count,
              uint32_t serial)
 {
     LOG_DBG("search: input: sym=%d/0x%x, mods=0x%08x", sym, sym, mods);
 
+    const xkb_mod_mask_t bind_mods =
+        mods & seat->kbd.bind_significant & ~locked;
+    const xkb_mod_mask_t bind_consumed =
+        consumed & seat->kbd.bind_significant & ~locked;
     enum xkb_compose_status compose_status = seat->kbd.xkb_compose_state != NULL
       ? xkb_compose_state_get_status(seat->kbd.xkb_compose_state)
       : XKB_COMPOSE_NOTHING;
@@ -840,7 +845,7 @@ search_input(struct seat *seat, struct terminal *term, uint32_t key,
 
         /* Match translated symbol */
         if (bind->k.sym == sym &&
-            bind->mods == (mods & ~consumed)) {
+            bind->mods == (bind_mods & ~bind_consumed)) {
 
             if (execute_binding(seat, term, bind, serial,
                                 &update_search_result, &redraw))
@@ -850,7 +855,7 @@ search_input(struct seat *seat, struct terminal *term, uint32_t key,
             return;
         }
 
-        if (bind->mods != mods)
+        if (bind->mods != bind_mods || bind_mods != (mods & ~locked))
             continue;
 
         /* Match untranslated symbols */
diff --git a/search.h b/search.h
index f4dfa5b9..18af0d62 100644
--- a/search.h
+++ b/search.h
@@ -8,6 +8,7 @@ void search_cancel(struct terminal *term);
 void search_input(
     struct seat *seat, struct terminal *term, uint32_t key,
     xkb_keysym_t sym, xkb_mod_mask_t mods, xkb_mod_mask_t consumed,
+    xkb_mod_mask_t locked,
     const xkb_keysym_t *raw_syms, size_t raw_count,
     uint32_t serial);
 void search_add_chars(struct terminal *term, const char *text, size_t len);
diff --git a/url-mode.c b/url-mode.c
index 350bdf25..6625e99a 100644
--- a/url-mode.c
+++ b/url-mode.c
@@ -119,22 +119,28 @@ activate_url(struct seat *seat, struct terminal *term, const struct url *url)
 void
 urls_input(struct seat *seat, struct terminal *term, uint32_t key,
            xkb_keysym_t sym, xkb_mod_mask_t mods, xkb_mod_mask_t consumed,
+           xkb_mod_mask_t locked,
            const xkb_keysym_t *raw_syms, size_t raw_count,
            uint32_t serial)
 {
+    const xkb_mod_mask_t bind_mods =
+        mods & seat->kbd.bind_significant & ~locked;
+    const xkb_mod_mask_t bind_consumed =
+        consumed & seat->kbd.bind_significant & ~locked;
+
     /* Key bindings */
     tll_foreach(seat->kbd.bindings.url, it) {
         const struct key_binding *bind = &it->item;
 
         /* Match translated symbol */
         if (bind->k.sym == sym &&
-            bind->mods == (mods & ~consumed))
+            bind->mods == (bind_mods & ~bind_consumed))
         {
             execute_binding(seat, term, bind, serial);
             return;
         }
 
-        if (bind->mods != mods)
+        if (bind->mods != bind_mods || bind_mods != (mods & ~locked))
             continue;
 
         for (size_t i = 0; i < raw_count; i++) {
diff --git a/url-mode.h b/url-mode.h
index b1314780..0f1451da 100644
--- a/url-mode.h
+++ b/url-mode.h
@@ -21,5 +21,6 @@ void urls_reset(struct terminal *term);
 
 void urls_input(struct seat *seat, struct terminal *term, uint32_t key,
                 xkb_keysym_t sym, xkb_mod_mask_t mods, xkb_mod_mask_t consumed,
+                xkb_mod_mask_t locked,
                 const xkb_keysym_t *raw_syms, size_t raw_count,
                 uint32_t serial);