diff --git a/src/layer/x86/shufflechannel_x86.cpp b/src/layer/x86/shufflechannel_x86.cpp
index 69697acf3f8..1e255fab50d 100644
--- a/src/layer/x86/shufflechannel_x86.cpp
+++ b/src/layer/x86/shufflechannel_x86.cpp
@@ -346,7 +346,7 @@ int ShuffleChannel_x86::forward(const Mat& bottom_blob, Mat& top_blob, const Opt
                     // macro `_mm256_loadu2_m128` is declared in Intel® Intrinsics Guide but somehow missed in <immintrin.h>
                     // __m256 _p1 = _mm256_loadu2_m128(ptr2, ptr1);
                     // issue #5072 _mm256_set_m128 is only availble on gcc8+
-                    // __m256 _p1 = _mm256_set_m128(_mm_loadu_ps(ptr2), _mm_loadu_ps(ptr1)); 
+                    // __m256 _p1 = _mm256_set_m128(_mm_loadu_ps(ptr2), _mm_loadu_ps(ptr1));
 
                     __m256 _p1 = _mm256_castps128_ps256(_mm_loadu_ps(ptr1));
                     _p1 = _mm256_insertf128_ps(_p1, _mm_loadu_ps(ptr2), 1);