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-rw-r--r--Src/subst.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/Src/subst.c b/Src/subst.c
index 1b0097001..66e0bbe77 100644
--- a/Src/subst.c
+++ b/Src/subst.c
@@ -162,6 +162,8 @@ stringsubst(LinkList list, LinkNode node, int ssub, int asssub)
 		subst = getproc(str, &rest);	/* <(...) or >(...) */
 	    else
 		subst = getoutputfile(str, &rest);	/* =(...) */
+	    if (errflag)
+		return NULL;
 	    if (!subst)
 		subst = "";