diff --git a/rtc_tools/frame_analyzer/frame_analyzer.cc b/rtc_tools/frame_analyzer/frame_analyzer.cc
index 2bfa0342fd..770c80e2d5 100644
--- a/rtc_tools/frame_analyzer/frame_analyzer.cc
+++ b/rtc_tools/frame_analyzer/frame_analyzer.cc
@@ -130,7 +130,7 @@ int main(int argc, char* argv[]) {
 
   if (!reference_video || !test_video) {
     fprintf(stderr, "Error opening video files\n");
-    return 0;
+    return 1;
   }
 
   const std::vector<size_t> matching_indices =