diff --git a/src/lib/libast/comp/conf.sh b/src/lib/libast/comp/conf.sh
index 7e67554273ee..795d0026e0ba 100644
--- a/src/lib/libast/comp/conf.sh
+++ b/src/lib/libast/comp/conf.sh
@@ -817,7 +817,8 @@ unsigned int conf[] = {
 		[ -f $tmp.1.e ] || cp $tmp.e $tmp.1.e
 		snl='\
 '
-		sed "s/[^_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789][^_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789]*/${snl}/g" $tmp.e |
+		grep 'error:' $tmp.e | sed "s/did you mean.*//" |
+		sed "s/[^_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789][^_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789]*/${snl}/g" |
 		grep '^[_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz][_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789]*$' |
 		sort -u > $tmp.n
 		cmp -s $tmp.n $tmp.p && break