diff --git a/Machines/AmstradCPC/AmstradCPC.cpp b/Machines/AmstradCPC/AmstradCPC.cpp
index ff547d481..67e3f0686 100644
--- a/Machines/AmstradCPC/AmstradCPC.cpp
+++ b/Machines/AmstradCPC/AmstradCPC.cpp
@@ -949,7 +949,7 @@ class ConcreteMachine:
 						if(ssm_delegate_) {
 							if((ssm_code_ & 0xff00ff00) == 0xed00ed00) {
 								const auto code = uint16_t(
-									(ssm_code_ & 0xff) | ((ssm_code_ >> 8) & 0xff00)
+									((ssm_code_ << 8) & 0xff00) | ((ssm_code_ >> 16) & 0x00ff)
 								);
 								ssm_code_ = 0;