diff --git a/src/ex_getln.c b/src/ex_getln.c
index 6ca707e..8ebcc88 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -759,11 +759,14 @@
 #ifdef FEAT_CMDWIN
 	if (c == cedit_key || c == K_CMDWIN)
 	{
-	    /*
-	     * Open a window to edit the command line (and history).
-	     */
-	    c = ex_window();
-	    some_key_typed = TRUE;
+	    if (ex_normal_busy == 0 && got_int == FALSE)
+	    {
+		/*
+		 * Open a window to edit the command line (and history).
+		 */
+		c = ex_window();
+		some_key_typed = TRUE;
+	    }
 	}
 # ifdef FEAT_DIGRAPHS
 	else