diff --git a/programs/fileio.c b/programs/fileio.c
index b8194ad61..6dd99f0fe 100644
--- a/programs/fileio.c
+++ b/programs/fileio.c
@@ -1389,7 +1389,7 @@ FIO_compressFilename_internal(FIO_prefs_t* const prefs,
     DISPLAYLEVEL(2, "\r%79s\r", "");
     DISPLAYLEVEL(2,"%-20s :%6.2f%%   (%6llu => %6llu bytes, %s) \n",
         srcFileName,
-        (double)compressedfilesize / (readsize+(!readsize)/*avoid div by zero*/) * 100,
+        (double)compressedfilesize / readsize * 100,
         (unsigned long long)readsize, (unsigned long long) compressedfilesize,
          dstFileName);