diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index 7bfadf790..c2a62dc6e 100644
--- a/client/cmdlft55xx.c
+++ b/client/cmdlft55xx.c
@@ -54,7 +54,7 @@ t55xx_conf_block_t config = {
     .downlink_mode = refFixedBit,
 };
 
-t55xx_memory_item_t cardmem[T55x7_BLOCK_COUNT] = {0};
+t55xx_memory_item_t cardmem[T55x7_BLOCK_COUNT] = {{0}};
 
 t55xx_conf_block_t Get_t55xx_Config() {
     return config;