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-rw-r--r--src/ai/ai_scanner.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/ai/ai_scanner.cpp b/src/ai/ai_scanner.cpp
index 8b30e8c9f..df989630f 100644
--- a/src/ai/ai_scanner.cpp
+++ b/src/ai/ai_scanner.cpp
@@ -424,8 +424,8 @@ static bool IsSameAI(const ContentInfo *ci, bool md5sum, AIFileInfo *info)
AIFileChecksumCreator checksum;
const char *tar_filename = info->GetTarFile();
- TarList::iterator iter = _tar_list.find(tar_filename);
- if (iter != _tar_list.end()) {
+ TarList::iterator iter;
+ if (tar_filename != NULL && (iter = _tar_list.find(tar_filename)) != _tar_list.end()) {
/* The main script is in a tar file, so find all files that
* are in the same tar and add them to the MD5 checksumming. */
TarFileList::iterator tar;