diff --git a/Source/Core/Common/Src/CPUDetect.cpp b/Source/Core/Common/Src/CPUDetect.cpp
index 2ef656d1d0..bb3cc28220 100644
--- a/Source/Core/Common/Src/CPUDetect.cpp
+++ b/Source/Core/Common/Src/CPUDetect.cpp
@@ -41,7 +41,7 @@ static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
 	__asm__(
 		"push  %%rbx;"
 		"cpuid;"
-		"mov   %%rbx,%1;"
+		"movl  %%ebx,%1;"
 		"pop   %%rbx;"
 		: "=a" (*eax),
 		  "=r" (*ebx),