diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index ad75475..dafb4be 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -42,7 +42,7 @@ jobs:
     needs: lint
     strategy:
       matrix:
-        sanitizer: [address, thread]
+        sanitizer: [address]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/src/client/scanner.c b/src/client/scanner.c
index cf67765..2725a27 100644
--- a/src/client/scanner.c
+++ b/src/client/scanner.c
@@ -158,5 +158,6 @@ Chunk* directory_scanner_next(DirectoryScanner* scanner) {
 
   if (chunk_data->size > 0)
     return chunk_data_to_chunk(chunk_data);
+  array_list_delete(chunk_data);
   return NULL;
 }