diff --git a/test/compare_sgemm_sbgemm.c b/test/compare_sgemm_sbgemm.c
index 7ea71b63d..eb47e83e5 100644
--- a/test/compare_sgemm_sbgemm.c
+++ b/test/compare_sgemm_sbgemm.c
@@ -203,7 +203,7 @@ main (int argc, char *argv[])
   }
 
   k = 1;
-  for (x = 0; x <= loop; x++)
+  for (x = 1; x <= loop; x++)
   {
     float *A = (float *)malloc_safe(x * x * sizeof(FLOAT));
     float *B = (float *)malloc_safe(x * sizeof(FLOAT));