diff --git a/src/normal.c b/src/normal.c
index 6bf5470..a6cd2d6 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -9329,7 +9329,7 @@
 # ifdef FEAT_CLIPBOARD
 	    adjust_clip_reg(&regname);
 # endif
-	    if (regname == 0 || VIM_ISDIGIT(regname)
+	    if (regname == 0 || regname == '"' || VIM_ISDIGIT(regname)
 # ifdef FEAT_CLIPBOARD
 		    || (clip_unnamed && (regname == '*' || regname == '+'))
 # endif