diff --git a/plat/arm/common/arm_dyn_cfg.c b/plat/arm/common/arm_dyn_cfg.c
index b31870b..6b3a611 100644
--- a/plat/arm/common/arm_dyn_cfg.c
+++ b/plat/arm/common/arm_dyn_cfg.c
@@ -203,7 +203,7 @@
 	unsigned int i;
 	bl_mem_params_node_t *cfg_mem_params = NULL;
 	uintptr_t image_base;
-	size_t image_size;
+	uint32_t image_size;
 	const unsigned int config_ids[] = {
 			HW_CONFIG_ID,
 			SOC_FW_CONFIG_ID,