diff --git a/include/cglm/simd/wasm.h b/include/cglm/simd/wasm.h
index 48cda4c..648e1bb 100644
--- a/include/cglm/simd/wasm.h
+++ b/include/cglm/simd/wasm.h
@@ -181,8 +181,7 @@ glmm_fmsub(glmm_128 a, glmm_128 b, glmm_128 c) {
 static inline
 glmm_128
 glmm_fnmsub(glmm_128 a, glmm_128 b, glmm_128 c) {
-  return wasm_v128_xor(wasm_f32x4_add(wasm_f32x4_mul(a, b), c),
-                       wasm_f32x4_const_splat(-0.0f));
+  return wasm_f32x4_neg(wasm_f32x4_add(wasm_f32x4_mul(a, b), c));
 }
 
 #endif
diff --git a/include/cglm/simd/wasm/affine.h b/include/cglm/simd/wasm/affine.h
index 59b36ac..80b98fb 100644
--- a/include/cglm/simd/wasm/affine.h
+++ b/include/cglm/simd/wasm/affine.h
@@ -110,11 +110,10 @@ glm_inv_tr_wasm(mat4 mat) {
   x2 = glmm_shuff1(r3, 0, 0, 0, 0);
   x3 = glmm_shuff1(r3, 1, 1, 1, 1);
   x4 = glmm_shuff1(r3, 2, 2, 2, 2);
-  x5 = wasm_f32x4_const_splat(-0.f);
 
   x0 = glmm_fmadd(r0, x2,
                   glmm_fmadd(r1, x3, wasm_f32x4_mul(r2, x4)));
-  x0 = wasm_v128_xor(x0, x5);
+  x0 = wasm_f32x4_neg(x0);
 
   x0 = wasm_f32x4_add(x0, x1);
 
diff --git a/include/cglm/vec4.h b/include/cglm/vec4.h
index 1d18625..de29941 100644
--- a/include/cglm/vec4.h
+++ b/include/cglm/vec4.h
@@ -707,8 +707,7 @@ CGLM_INLINE
 void
 glm_vec4_negate_to(vec4 v, vec4 dest) {
 #if defined(__wasm__) && defined(__wasm_simd128__)
-  glmm_store(dest, wasm_v128_xor(glmm_load(v),
-                                 wasm_f32x4_const_splat(-0.0f)));
+  glmm_store(dest, wasm_f32x4_neg(glmm_load(v)));
 #elif defined( __SSE__ ) || defined( __SSE2__ )
   glmm_store(dest, _mm_xor_ps(glmm_load(v), _mm_set1_ps(-0.0f)));
 #elif defined(CGLM_NEON_FP)