diff --git a/security/masscan/files/patch-src_smack1.c b/security/masscan/files/patch-src_smack1.c
index 726d8b893eb6..d1986333834e 100644
--- a/security/masscan/files/patch-src_smack1.c
+++ b/security/masscan/files/patch-src_smack1.c
@@ -4,7 +4,7 @@
  #include "pixie-timer.h"
  #if defined(_MSC_VER)
  #include <intrin.h>
-+#elif defined(__llvm__)
++#elif defined(__llvm__) && (defined(__amd64__) || defined(__i386__))
 +#include <x86intrin.h>
  #elif defined(__GNUC__)
  static __inline__ unsigned long long __rdtsc(void)