diff --git a/client/src/cmdlfem4x05.c b/client/src/cmdlfem4x05.c
index 2ad3471c6..4992ab1c8 100644
--- a/client/src/cmdlfem4x05.c
+++ b/client/src/cmdlfem4x05.c
@@ -1357,7 +1357,7 @@ int CmdEM4x05Unlock(const char *Cmd) {
     uint32_t soon = 0;
     uint32_t late = 0;
 
-    em4x05_unlock_item_t flipped[64]; 
+    em4x05_unlock_item_t flipped[64] ={{0,0}};
 
     //
     // main loop