diff --git a/src/fccache.c b/src/fccache.c
index 7d6396c..3344a09 100644
--- a/src/fccache.c
+++ b/src/fccache.c
@@ -1193,6 +1193,7 @@ FcDirCacheLock (const FcChar8 *dir,
 	    break;
 	}
     }
+    FcStrListDone (list);
     return fd;
 bail:
     if (fd != -1)