diff --git a/spa/plugins/support/cpu-x86.c b/spa/plugins/support/cpu-x86.c
index 18096df22..78422ecef 100644
--- a/spa/plugins/support/cpu-x86.c
+++ b/spa/plugins/support/cpu-x86.c
@@ -177,14 +177,22 @@ x86_init(struct impl *impl)
 	return 0;
 }
 
+#if defined(HAVE_SSE)
+#include <xmmintrin.h>
+#endif
+
 static int x86_zero_denormals(void *object, bool enable)
 {
+#if defined(HAVE_SSE)
 	unsigned int mxcsr;
-	mxcsr = __builtin_ia32_stmxcsr();
+	mxcsr = _mm_getcsr();
 	if (enable)
 		mxcsr |= 0x8040;
 	else
 		mxcsr &= ~0x8040;
-	__builtin_ia32_ldmxcsr(mxcsr);
+	_mm_setcsr(mxcsr);
 	return 0;
+#else
+	return -ENOTSUP;
+#endif
 }
diff --git a/spa/plugins/support/meson.build b/spa/plugins/support/meson.build
index 0138555b0..1c4540b61 100644
--- a/spa/plugins/support/meson.build
+++ b/spa/plugins/support/meson.build
@@ -9,9 +9,16 @@ spa_support_sources = [
   'system.c'
 ]
 
+simd_cargs = []
+
+if have_sse
+  simd_cargs += ['-DHAVE_SSE']
+endif
+
 spa_support_lib = shared_library('spa-support',
   spa_support_sources,
   include_directories : [ spa_inc ],
+  c_args : [ simd_cargs ],
   dependencies : [ pthread_lib, epoll_shim_dep ],
   install : true,
   install_dir : spa_plugindir / 'support')