diff --git a/include/configs/vexpress_aemv8a.h b/include/configs/vexpress_aemv8a.h
index 53b0f74e0f..c54baf8c7b 100644
--- a/include/configs/vexpress_aemv8a.h
+++ b/include/configs/vexpress_aemv8a.h
@@ -41,6 +41,8 @@
 #error "Unknown board variant"
 #endif
 
+#define CONFIG_SYS_BOOTM_LEN (64 << 20)      /* Increase max gunzip size */
+
 /* Flat Device Tree Definitions */
 #define CONFIG_OF_LIBFDT