diff --git a/src/fw/apps/demo_apps/fps_test_app.c b/src/fw/apps/demo_apps/fps_test_app.c
index 4d1f4a26..ddbf2712 100644
--- a/src/fw/apps/demo_apps/fps_test_app.c
+++ b/src/fw/apps/demo_apps/fps_test_app.c
@@ -164,7 +164,7 @@ static void prv_window_update_proc(struct Layer *layer, GContext *ctx) {
   data->rendered_frames++;
 }
 
-static void prv_window_disapper(Window *window) {
+static void prv_window_disappear(Window *window) {
 }
 
 void prv_syncing_content_offset_changed(struct ScrollLayer *scroll_layer, void *context) {
@@ -256,7 +256,7 @@ static void s_main(void) {
   window_set_window_handlers(window, &(WindowHandlers) {
     .load = prv_window_load,
     .unload = prv_window_unload,
-    .disappear = prv_window_disapper,
+    .disappear = prv_window_disappear,
   });
 
   app_window_stack_push(window, true);
diff --git a/tests/fw/ui/test_window_stack.c b/tests/fw/ui/test_window_stack.c
index de282bee..5ca537cc 100644
--- a/tests/fw/ui/test_window_stack.c
+++ b/tests/fw/ui/test_window_stack.c
@@ -532,7 +532,7 @@ void test_window_stack__insert_next(void) {
 
 // Description:
 // During the push of a window, we push another window in the load handler of
-// the window being pushed.  This causes the loading window to disappaer from
+// the window being pushed.  This causes the loading window to disappear from
 // the screen (before it even appeared) and become subverted by the new window.
 void test_window_stack__push_during_window_load(void) {
   Window *window = window_create();