diff --git a/app/src/events.c b/app/src/events.c
index 4e256be2..e60dc3e5 100644
--- a/app/src/events.c
+++ b/app/src/events.c
@@ -17,3 +17,24 @@ sc_push_event_impl(uint32_t type, const char *name) {
 
     return true;
 }
+
+bool
+sc_post_to_main_thread(sc_runnable_fn run, void *userdata) {
+    SDL_Event event = {
+        .user = {
+            .type = SC_EVENT_RUN_ON_MAIN_THREAD,
+            .data1 = run,
+            .data2 = userdata,
+        },
+    };
+    int ret = SDL_PushEvent(&event);
+    // ret < 0: error (queue full)
+    // ret == 0: event was filtered
+    // ret == 1: success
+    if (ret != 1) {
+        LOGW("Coud not post to main thread: %s", SDL_GetError());
+        return false;
+    }
+
+    return true;
+}
diff --git a/app/src/events.h b/app/src/events.h
index 639fa97e..4d6165c8 100644
--- a/app/src/events.h
+++ b/app/src/events.h
@@ -9,6 +9,7 @@
 
 enum {
     SC_EVENT_NEW_FRAME = SDL_USEREVENT,
+    SC_EVENT_RUN_ON_MAIN_THREAD,
     SC_EVENT_DEVICE_DISCONNECTED,
     SC_EVENT_SERVER_CONNECTION_FAILED,
     SC_EVENT_SERVER_CONNECTED,
@@ -25,4 +26,9 @@ sc_push_event_impl(uint32_t type, const char *name);
 
 #define sc_push_event(TYPE) sc_push_event_impl(TYPE, # TYPE)
 
+typedef void (*sc_runnable_fn)(void *userdata);
+
+bool
+sc_post_to_main_thread(sc_runnable_fn run, void *userdata);
+
 #endif
diff --git a/app/src/scrcpy.c b/app/src/scrcpy.c
index 5dfc425d..001df42c 100644
--- a/app/src/scrcpy.c
+++ b/app/src/scrcpy.c
@@ -174,6 +174,11 @@ event_loop(struct scrcpy *s) {
             case SDL_QUIT:
                 LOGD("User requested to quit");
                 return SCRCPY_EXIT_SUCCESS;
+            case SC_EVENT_RUN_ON_MAIN_THREAD:
+                sc_runnable_fn run = event.user.data1;
+                void *userdata = event.user.data2;
+                run(userdata);
+                break;
             default:
                 if (!sc_screen_handle_event(&s->screen, &event)) {
                     return SCRCPY_EXIT_FAILURE;
diff --git a/app/src/usb/scrcpy_otg.c b/app/src/usb/scrcpy_otg.c
index 5ace01ed..bf288752 100644
--- a/app/src/usb/scrcpy_otg.c
+++ b/app/src/usb/scrcpy_otg.c
@@ -38,6 +38,11 @@ event_loop(struct scrcpy_otg *s) {
             case SDL_QUIT:
                 LOGD("User requested to quit");
                 return SCRCPY_EXIT_SUCCESS;
+            case SC_EVENT_RUN_ON_MAIN_THREAD:
+                sc_runnable_fn run = event.user.data1;
+                void *userdata = event.user.data2;
+                run(userdata);
+                break;
             default:
                 sc_screen_otg_handle_event(&s->screen_otg, &event);
                 break;