diff --git a/src/cryptopp/cpu.cpp b/src/cryptopp/cpu.cpp
index 3e4680421..8789dc317 100644
--- a/src/cryptopp/cpu.cpp
+++ b/src/cryptopp/cpu.cpp
@@ -80,7 +80,7 @@ bool CpuId(word32 input, word32 *output)
 #endif
 }
 
-#ifndef _MSC_VER
+#if !CRYPTOPP_BOOL_X64 && !defined(_MSC_VER) && defined(__GNUC__)
 static jmp_buf s_jmpNoSSE2;
 static void SigIllHandlerSSE2(int)
 {