diff --git a/TeslaTunes/CopyConvertDirs.mm b/TeslaTunes/CopyConvertDirs.mm
index 85925df..5235b08 100644
--- a/TeslaTunes/CopyConvertDirs.mm
+++ b/TeslaTunes/CopyConvertDirs.mm
@@ -492,9 +492,9 @@ - (NSURL *) processFileURL:(const NSURL *) file toDestination: destinationFile
             }
             outURL = destinationFile;
         } else {
-            // NSLog(@"don't know what extension %@ is.  Skipping", fileURL.pathExtension);
+            NSLog(@"don't know what extension \"%@\" is.  Skipping", file.pathExtension? file.pathExtension: @"<no extension>");
             // save extension to skipped set for stat purposes
-            [self.skippedExtensions addObject:file.pathExtension];
+            [self.skippedExtensions addObject:file.pathExtension? file.pathExtension : @"no extension"];
             return nil;
         }
         
diff --git a/TeslaTunes/flac_utils.mm b/TeslaTunes/flac_utils.mm
index 32deb8b..9231baa 100644
--- a/TeslaTunes/flac_utils.mm
+++ b/TeslaTunes/flac_utils.mm
@@ -116,6 +116,7 @@ auto FlacMetadataFromMP4fileURL(const NSURL *mp4, std::vector<FLAC__StreamMetada
     }
     if (!f.file()) {
         NSLog(@"Couldn't read extended tags from \"%s\".", mp4.fileSystemRepresentation);
+        return metadata.size();
     }
     auto props = f.file()->properties();
     //NSLog(@"Properties in Apple Lossless file %s", mp4.fileSystemRepresentation);