diff --git a/src/corelib/tools/qsimd.cpp b/src/corelib/tools/qsimd.cpp
index c81df7a6f2..00c523afe6 100644
--- a/src/corelib/tools/qsimd.cpp
+++ b/src/corelib/tools/qsimd.cpp
@@ -159,7 +159,7 @@ static int maxBasicCpuidSupported()
 #if defined(Q_CC_GNU)
     qintptr tmp1;
 
-# ifdef Q_PROCESSOR_X86_32
+# if Q_PROCESSOR_X86 < 5
     // check if the CPUID instruction is supported
     long cpuid_supported;
     asm ("pushf\n"