diff --git a/include/configs/ls1021aqds.h b/include/configs/ls1021aqds.h
index c90f5315fd598a418240e79e2af7c6ac33a5722d..f6efc55059aa190e8e09df166f7073cb2c5b1a17 100644
--- a/include/configs/ls1021aqds.h
+++ b/include/configs/ls1021aqds.h
@@ -665,5 +665,6 @@ unsigned long get_board_ddr_clk(void);
 #endif
 
 #include <asm/fsl_secure_boot.h>
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20) /* Increase max gunzip size */
 
 #endif
diff --git a/include/configs/ls1021atwr.h b/include/configs/ls1021atwr.h
index f820de3b09e7253bb246f4ba9d2999a2efa034ba..ae58646d5e9bbb918d7e912942963d1bb88c55a3 100644
--- a/include/configs/ls1021atwr.h
+++ b/include/configs/ls1021atwr.h
@@ -523,5 +523,6 @@
 #endif
 
 #include <asm/fsl_secure_boot.h>
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20) /* Increase max gunzip size */
 
 #endif