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-rw-r--r--Src/hist.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/Src/hist.c b/Src/hist.c
index 521baf613..f3979dfc0 100644
--- a/Src/hist.c
+++ b/Src/hist.c
@@ -346,8 +346,10 @@ getsubsargs(char *subline, int *gbalp, int *cflagp)
     if (strlen(ptr1)) {
 	zsfree(hsubl);
 	hsubl = ptr1;
-    } else if (!hsubl)		/* fail silently on this */
+    } else if (!hsubl) {		/* fail silently on this */
+	zsfree(ptr2);
 	return 0;
+    }
     zsfree(hsubr);
     hsubr = ptr2;
     follow = ingetc();