diff --git a/plat/arm/common/arm_common.c b/plat/arm/common/arm_common.c
index 296aaf8..7d9fd6c 100644
--- a/plat/arm/common/arm_common.c
+++ b/plat/arm/common/arm_common.c
@@ -97,7 +97,7 @@
 	 * the FIP ToC and allowing the platform to have a say as
 	 * well.
 	 */
-	spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
+	spsr = SPSR_64((uint64_t)mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
 	return spsr;
 }
 #else