diff --git a/src/layer/arm/gemm_arm.cpp b/src/layer/arm/gemm_arm.cpp
index fe0dab3075ae..f9ed416e119a 100644
--- a/src/layer/arm/gemm_arm.cpp
+++ b/src/layer/arm/gemm_arm.cpp
@@ -51,6 +51,7 @@ void pack_A_tile(const Mat& A, Mat& AT, int i, int max_ii, int k, int max_kk)
     const int A_hstep = A.dims == 3 ? (int)A.cstep : A.w;
     float* pp = AT;
 
+
     int ii = 0;
 #if __ARM_NEON
 #if __aarch64__