diff --git a/matrix_opencl.cpp b/matrix_opencl.cpp
index d9b726bcf18c507a26f804fd41889498e99f699d..b1608486c19d12a911956d74b7bda50723572577 100644
--- a/matrix_opencl.cpp
+++ b/matrix_opencl.cpp
@@ -98,7 +98,7 @@ const std::string kernel_source_matrix_mul = R"(
     int nloc = get_local_size(0);
 
     float tmp;
-    float Awrk[1024];
+    float Awrk[10000];
 
     for (k = 0; k < K; k++)
         Awrk[k] = A[i * K + k];