diff --git a/code/q3_ui/ui_mfield.c b/code/q3_ui/ui_mfield.c
index d2862ff4..9eae7e01 100644
--- a/code/q3_ui/ui_mfield.c
+++ b/code/q3_ui/ui_mfield.c
@@ -253,7 +253,7 @@ void MField_CharEvent( mfield_t *edit, int ch ) {
 		return;
 	}
 
-	if ( !trap_Key_GetOverstrikeMode() ) {	
+	if ( trap_Key_GetOverstrikeMode() ) {
 		if ((edit->cursor == MAX_EDIT_LINE - 1) || (edit->maxchars && edit->cursor >= edit->maxchars))
 			return;
 	} else {