1 files changed, 3 insertions, 0 deletions
diff --git a/Src/lex.c b/Src/lex.c
index a07661404..494ea8870 100644
--- a/Src/lex.c
+++ b/Src/lex.c
@@ -1735,6 +1735,9 @@ checkalias(void)
 {
     Alias an;
 
+    if (!zshlextext)
+	return 0;
+
     if (!noaliases && isset(ALIASESOPT) &&
 	(!isset(POSIXALIASES) ||
 	 !reswdtab->getnode(reswdtab, zshlextext))) {