diff --git a/src/ppl/kernel/x86/fp32/abs/abs_fp32_avx.cpp b/src/ppl/kernel/x86/fp32/abs/abs_fp32_avx.cpp
index 92b62ea8..a927c468 100644
--- a/src/ppl/kernel/x86/fp32/abs/abs_fp32_avx.cpp
+++ b/src/ppl/kernel/x86/fp32/abs/abs_fp32_avx.cpp
@@ -37,8 +37,8 @@ ppl::common::RetCode abs_fp32_avx(
     for (int64_t i = 0; i < unroll_body; i += unroll_n) {
         __m256 src0 = _mm256_loadu_ps(x + i + 0 * V_REG_ELTS);
         __m256 src1 = _mm256_loadu_ps(x + i + 1 * V_REG_ELTS);
-        __m256 dst0 = _mm256_andnot_ps(src0, vsignbit);
-        __m256 dst1 = _mm256_andnot_ps(src1, vsignbit);
+        __m256 dst0 = _mm256_andnot_ps(vsignbit, src0);
+        __m256 dst1 = _mm256_andnot_ps(vsignbit, src1);
         _mm256_storeu_ps(y + i + 0 * V_REG_ELTS, dst0);
         _mm256_storeu_ps(y + i + 1 * V_REG_ELTS, dst1);
     }
@@ -49,4 +49,4 @@ ppl::common::RetCode abs_fp32_avx(
     return ppl::common::RC_SUCCESS;
 }
 
-}}}; // namespace ppl::kernel::x86
\ No newline at end of file
+}}}; // namespace ppl::kernel::x86
diff --git a/src/ppl/kernel/x86/fp32/abs/abs_fp32_sse.cpp b/src/ppl/kernel/x86/fp32/abs/abs_fp32_sse.cpp
index 1132d722..32e91253 100644
--- a/src/ppl/kernel/x86/fp32/abs/abs_fp32_sse.cpp
+++ b/src/ppl/kernel/x86/fp32/abs/abs_fp32_sse.cpp
@@ -39,10 +39,10 @@ ppl::common::RetCode abs_fp32_sse(
         __m128 src1 = _mm_loadu_ps(x + i + 1 * V_REG_ELTS);
         __m128 src2 = _mm_loadu_ps(x + i + 2 * V_REG_ELTS);
         __m128 src3 = _mm_loadu_ps(x + i + 3 * V_REG_ELTS);
-        __m128 dst0 = _mm_andnot_ps(src0, vsignbit);
-        __m128 dst1 = _mm_andnot_ps(src1, vsignbit);
-        __m128 dst2 = _mm_andnot_ps(src2, vsignbit);
-        __m128 dst3 = _mm_andnot_ps(src3, vsignbit);
+        __m128 dst0 = _mm_andnot_ps(vsignbit, src0);
+        __m128 dst1 = _mm_andnot_ps(vsignbit, src1);
+        __m128 dst2 = _mm_andnot_ps(vsignbit, src2);
+        __m128 dst3 = _mm_andnot_ps(vsignbit, src3);
         _mm_storeu_ps(y + i + 0 * V_REG_ELTS, dst0);
         _mm_storeu_ps(y + i + 1 * V_REG_ELTS, dst1);
         _mm_storeu_ps(y + i + 2 * V_REG_ELTS, dst2);
@@ -55,4 +55,4 @@ ppl::common::RetCode abs_fp32_sse(
     return ppl::common::RC_SUCCESS;
 }
 
-}}}; // namespace ppl::kernel::x86
\ No newline at end of file
+}}}; // namespace ppl::kernel::x86