X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fexport_image.c;h=8d449ea93439d634b002aacea0287c1f66c3a88b;hp=bfeef97ad6b41afc83970afd6315f072e991c4d3;hb=bafd3460a2f40174b8329e6059fd7338730958e8;hpb=11db44d91c4023f322a8fdb09f8ec5eddce2dab8

diff --git a/src/export_image.c b/src/export_image.c
index bfeef97a..8d449ea9 100644
--- a/src/export_image.c
+++ b/src/export_image.c
@@ -87,10 +87,12 @@ lte_unexport(struct wim_lookup_table_entry *lte, void *_lookup_table)
 {
 	struct wim_lookup_table *lookup_table = _lookup_table;
 
-	lte->refcnt -= lte->out_refcnt;
-	if (lte->refcnt == 0) {
-		lookup_table_unlink(lookup_table, lte);
-		free_lookup_table_entry(lte);
+	if (lte->out_refcnt) {
+		lte->refcnt -= lte->out_refcnt;
+		if (lte->refcnt == 0) {
+			lookup_table_unlink(lookup_table, lte);
+			free_lookup_table_entry(lte);
+		}
 	}
 	return 0;
 }