diff --git a/utils/atj2137/adfuload/adfuload.c b/utils/atj2137/adfuload/adfuload.c
index 82bbc9d..6471a53 100644
--- a/utils/atj2137/adfuload/adfuload.c
+++ b/utils/atj2137/adfuload/adfuload.c
@@ -74,6 +74,7 @@
     struct CBW_t cbw;
     int ret, repeat, transferred;
 
+    repeat = 0;
     memset(&cbw, 0, sizeof(cbw));
     cbw.dCBWSignature = CBW_SIGNATURE;
     cbw.dCBWTag = 0;
diff --git a/utils/rk27utils/rkusbtool/rkusbtool.c b/utils/rk27utils/rkusbtool/rkusbtool.c
index afe6171..a28f217 100644
--- a/utils/rk27utils/rkusbtool/rkusbtool.c
+++ b/utils/rk27utils/rkusbtool/rkusbtool.c
@@ -75,6 +75,7 @@
     int ret, repeat, transferred;
     static uint32_t tag = 0xdaefbc01;
 
+    repeat = 0;
     memset(&cbw, 0, sizeof(cbw));
     cbw.dCBWSignature = CBW_SIGNATURE;
     cbw.dCBWTag = tag++;