diff --git a/src/core/sal/x86/X86Architecture.hpp b/src/core/sal/x86/X86Architecture.hpp
index 00cae041..5d74db6b 100644
--- a/src/core/sal/x86/X86Architecture.hpp
+++ b/src/core/sal/x86/X86Architecture.hpp
@@ -34,9 +34,10 @@ enum GPRegisterId {
 	RID_R8, RID_R9, RID_R10, RID_R11, RID_R12, RID_R13, RID_R14, RID_R15,
  #else // 32 bit register id's:
 	RID_EAX = 0, RID_ECX, RID_EDX, RID_EBX, RID_ESP, RID_EBP, RID_ESI, RID_EDI,
- #endif // common register id's (independent of the current register width):
-	RID_CAX = 0, RID_CCX, RID_CDX, RID_CBX, RID_CSP, RID_CBP, RID_CSI, RID_CDI,
-	RID_LAST_GP_ID
+ #endif
+	RID_LAST_GP_ID,
+	// common register id's (independent of the current register width):
+	RID_CAX = 0, RID_CCX, RID_CDX, RID_CBX, RID_CSP, RID_CBP, RID_CSI, RID_CDI
 };
 
 /**