diff --git a/client/src/cmdhf15.c b/client/src/cmdhf15.c
index b2a01b7ff..65946b7d5 100644
--- a/client/src/cmdhf15.c
+++ b/client/src/cmdhf15.c
@@ -1686,6 +1686,7 @@ static int CmdHF15Restore(const char *Cmd) {
     
     if ((datalen % blocksize) != 0) {
         PrintAndLogEx(WARNING, "Datalen %zu isn't dividable with blocksize %zu", datalen, blocksize);
+        free(data);
         return PM3_ESOFT;
     }