diff --git a/build/files.c b/build/files.c
index 2cf71d6d1..8063aced9 100644
--- a/build/files.c
+++ b/build/files.c
@@ -1287,6 +1287,7 @@ static void genCpioListAndHeader(FileList fl,
     }
     fi->apath = apath;
     *fip = fi;
+    rpmtdFreeData(&filenames);
   }
 
     /* Compress filelist unless legacy format requested */