diff --git a/osc.c b/osc.c
index 20d80c9e..3424d476 100644
--- a/osc.c
+++ b/osc.c
@@ -3,8 +3,6 @@
 #include <string.h>
 #include <ctype.h>
 
-#include <sys/timerfd.h>
-
 #define LOG_MODULE "osc"
 #define LOG_ENABLE_DBG 0
 #include "log.h"
@@ -205,17 +203,7 @@ osc_flash(struct terminal *term)
 {
     /* Our own private - flash */
     unsigned duration_ms = vt_param_get(term, 1, 100);
-    LOG_DBG("FLASH for %ums", duration_ms);
-
-    struct itimerspec alarm = {
-        .it_value = {.tv_sec = 0, .tv_nsec = duration_ms * 1000000},
-    };
-
-    if (timerfd_settime(term->flash.fd, 0, &alarm, NULL) < 0)
-        LOG_ERRNO("failed to arm flash timer");
-    else {
-        term->flash.active = true;
-    }
+    term_flash(term, duration_ms);
 }
 
 void
diff --git a/terminal.c b/terminal.c
index d6742259..2bc68746 100644
--- a/terminal.c
+++ b/terminal.c
@@ -4,6 +4,7 @@
 #include <unistd.h>
 #include <assert.h>
 
+#include <sys/timerfd.h>
 #include <linux/input-event-codes.h>
 
 #define LOG_MODULE "terminal"
@@ -485,3 +486,19 @@ term_set_window_title(struct terminal *term, const char *title)
     term->window_title = strdup(title);
     render_set_title(term, term->window_title);
 }
+
+void
+term_flash(struct terminal *term, unsigned duration_ms)
+{
+    LOG_DBG("FLASH for %ums", duration_ms);
+
+    struct itimerspec alarm = {
+        .it_value = {.tv_sec = 0, .tv_nsec = duration_ms * 1000000},
+    };
+
+    if (timerfd_settime(term->flash.fd, 0, &alarm, NULL) < 0)
+        LOG_ERRNO("failed to arm flash timer");
+    else {
+        term->flash.active = true;
+    }
+}
diff --git a/terminal.h b/terminal.h
index 8248dc3a..98ac7a72 100644
--- a/terminal.h
+++ b/terminal.h
@@ -382,3 +382,4 @@ void term_mouse_motion(struct terminal *term, int button, int row, int col,
                        bool shift, bool alt, bool ctrl);
 
 void term_set_window_title(struct terminal *term, const char *title);
+void term_flash(struct terminal *term, unsigned duration_ms);