diff --git a/config.h b/config.h
index 8ce89ce9..394a2bcc 100644
--- a/config.h
+++ b/config.h
@@ -562,7 +562,7 @@ NAMESPACE_END
 
 // Guessing at SHA for SunCC. Its not in Sun Studio 12.6. Also see
 //   http://stackoverflow.com/questions/45872180/which-xarch-for-sha-extensions-on-solaris
-#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_SHA) && defined(CRYPTOPP_SSE42_AVAILABLE) && \
+#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_SHANI) && defined(CRYPTOPP_SSE42_AVAILABLE) && \
 	(defined(__SHA__) || (CRYPTOPP_MSC_VERSION >= 1900) || (__SUNPRO_CC >= 0x5160) || \
 	(CRYPTOPP_GCC_VERSION >= 40900) || (__INTEL_COMPILER >= 1300) || \
 	(CRYPTOPP_LLVM_CLANG_VERSION >= 30400) || (CRYPTOPP_APPLE_CLANG_VERSION >= 50100))