diff --git a/bl31/aarch64/runtime_exceptions.S b/bl31/aarch64/runtime_exceptions.S
index 51f5b7b..7f739a9 100644
--- a/bl31/aarch64/runtime_exceptions.S
+++ b/bl31/aarch64/runtime_exceptions.S
@@ -456,7 +456,7 @@
 smc_prohibited:
 	ldr	x30, [sp, #CTX_GPREGS_OFFSET + CTX_GPREG_LR]
 	mov	x0, #SMC_UNK
-	eret
+	exception_return
 
 #if DEBUG
 rt_svc_fw_critical_error: