diff --git a/intern/ghost/intern/GHOST_SystemCocoa.mm b/intern/ghost/intern/GHOST_SystemCocoa.mm
index c60ded15d6c..b7b1079844e 100644
--- a/intern/ghost/intern/GHOST_SystemCocoa.mm
+++ b/intern/ghost/intern/GHOST_SystemCocoa.mm
@@ -1559,6 +1559,10 @@ GHOST_TSuccess GHOST_SystemCocoa::handleKeyEvent(void *eventPtr)
 			if ((keyCode > 266) && (keyCode < 271))
 				utf8_buf[0] = '\0';
 
+			/* F keys should not have utf8 */
+			if ((keyCode >= GHOST_kKeyF1) && (keyCode <= GHOST_kKeyF20))
+				utf8_buf[0] = '\0';
+
 			/* no text with command key pressed */
 			if (m_modifierMask & NSCommandKeyMask)
 				utf8_buf[0] = '\0';