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-rw-r--r--src/restore.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/restore.c b/src/restore.c
index 07baec5..f7b854c 100644
--- a/src/restore.c
+++ b/src/restore.c
@@ -1232,7 +1232,7 @@ static int restore_sign_bbfw(const char* bbfwtmp, plist_t bbtss, const unsigned
const char* fn = zip_get_name(za, i, 0);
if (fn) {
char* ext = strrchr(fn, '.');
- if (strcmp(ext, ".fls") == 0 || strcmp(ext, ".mbn") == 0) {
+ if (ext && (strcmp(ext, ".fls") == 0 || strcmp(ext, ".mbn") == 0)) {
skip = 1;
}
}