diff --git a/src/gui_mac.c b/src/gui_mac.c
index 77cd5ca..d54c110 100644
--- a/src/gui_mac.c
+++ b/src/gui_mac.c
@@ -62,6 +62,7 @@
 
 static int im_is_active = FALSE;
 #if 0
+    /* TODO: Implement me! */
 static int im_start_row = 0;
 static int im_start_col = 0;
 #endif