diff --git a/include/cglm/quat.h b/include/cglm/quat.h
index b34fa80..ab0c590 100644
--- a/include/cglm/quat.h
+++ b/include/cglm/quat.h
@@ -258,7 +258,7 @@ glm_quat_normalize_to(versor q, versor dest) {
   }
 
   glmm_store(dest, wasm_f32x4_div(x0, wasm_f32x4_sqrt(xdot)));
-#elif defined( __SSE2__ ) || defined( __SSE2__ )
+#elif defined( __SSE__ ) || defined( __SSE2__ )
   __m128 xdot, x0;
   float  dot;
 
diff --git a/include/cglm/vec4-ext.h b/include/cglm/vec4-ext.h
index 74e87f4..cc09ee1 100644
--- a/include/cglm/vec4-ext.h
+++ b/include/cglm/vec4-ext.h
@@ -223,7 +223,7 @@ glm_vec4_isvalid(vec4 v) {
 CGLM_INLINE
 void
 glm_vec4_sign(vec4 v, vec4 dest) {
-#if defined( __SSE2__ ) || defined( __SSE2__ )
+#if defined( __SSE__ ) || defined( __SSE2__ )
   __m128 x0, x1, x2, x3, x4;
 
   x0 = glmm_load(v);