diff --git a/src/core/NEON/kernels/arm_gemm/quantized.cpp b/src/core/NEON/kernels/arm_gemm/quantized.cpp
index 201bd9d..cac02cf 100644
--- a/src/core/NEON/kernels/arm_gemm/quantized.cpp
+++ b/src/core/NEON/kernels/arm_gemm/quantized.cpp
@@ -137,6 +137,7 @@
                     v_shf1l = vld1q_s32(perch_shiftl_ptr + 4);
                     v_shf2l = vld1q_s32(perch_shiftl_ptr + 8);
                     v_shf3l = vld1q_s32(perch_shiftl_ptr + 12);
+                    perch_shiftl_ptr += 16;
                 }
             } else {
                 v_mul0=v_mul1=v_mul2=v_mul3=v_mul;