diff --git a/src/util/arch/x86/bitutils.h b/src/util/arch/x86/bitutils.h
index 424ad957..33fff7c2 100644
--- a/src/util/arch/x86/bitutils.h
+++ b/src/util/arch/x86/bitutils.h
@@ -215,8 +215,8 @@ u64a compress64_impl(u64a x, u64a m) {
 }
 
 static really_inline
-u64a compress128_impl(m128 x, m128 m) {
-    compress128_impl_c(x, m);
+m128 compress128_impl(m128 x, m128 m) {
+    return compress128_impl_c(x, m);
 }
 
 static really_inline
diff --git a/src/util/arch/x86/simd_utils.h b/src/util/arch/x86/simd_utils.h
index 4a1a691e..9555bf6c 100644
--- a/src/util/arch/x86/simd_utils.h
+++ b/src/util/arch/x86/simd_utils.h
@@ -33,10 +33,7 @@
 #ifndef ARCH_X86_SIMD_UTILS_H
 #define ARCH_X86_SIMD_UTILS_H
 
-#if !defined(_WIN32) && !defined(__SSSE3__)
-#error SSSE3 instructions must be enabled
-#endif
-
+#include "x86.h"
 #include "ue2common.h"
 #include "util/simd_types.h"
 #include "util/unaligned.h"