diff --git a/driver/level2/gbmv_thread.c b/driver/level2/gbmv_thread.c
index ef9d58d76f..e86b565f8e 100644
--- a/driver/level2/gbmv_thread.c
+++ b/driver/level2/gbmv_thread.c
@@ -177,7 +177,7 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG ku, BLASLONG kl, FLOAT *alpha, FLOAT
 
   blas_arg_t args;
   blas_queue_t queue[MAX_CPU_NUMBER];
-  BLASLONG range_m[MAX_CPU_NUMBER];
+  BLASLONG range_m[MAX_CPU_NUMBER + 1];
   BLASLONG range_n[MAX_CPU_NUMBER + 1];
 
   BLASLONG width, i, num_cpu;
diff --git a/driver/level2/sbmv_thread.c b/driver/level2/sbmv_thread.c
index a0377d6380..5718c0ec93 100644
--- a/driver/level2/sbmv_thread.c
+++ b/driver/level2/sbmv_thread.c
@@ -177,7 +177,7 @@ int CNAME(BLASLONG n, BLASLONG k, FLOAT *alpha, FLOAT *a, BLASLONG lda, FLOAT *x
 #endif
 
   blas_arg_t args;
-  blas_queue_t queue[MAX_CPU_NUMBER];
+  blas_queue_t queue[MAX_CPU_NUMBER + 1];
   BLASLONG range_m[MAX_CPU_NUMBER + 1];
   BLASLONG range_n[MAX_CPU_NUMBER];
 
diff --git a/driver/level2/spmv_thread.c b/driver/level2/spmv_thread.c
index f8ae3cdcdd..035300841d 100644
--- a/driver/level2/spmv_thread.c
+++ b/driver/level2/spmv_thread.c
@@ -182,7 +182,7 @@ int CNAME(BLASLONG m, FLOAT *alpha, FLOAT *a, FLOAT *x, BLASLONG incx, FLOAT *y,
   blas_arg_t args;
   blas_queue_t queue[MAX_CPU_NUMBER];
   BLASLONG range_m[MAX_CPU_NUMBER + 1];
-  BLASLONG range_n[MAX_CPU_NUMBER];
+  BLASLONG range_n[MAX_CPU_NUMBER + 1];
 
   BLASLONG width, i, num_cpu;
 
diff --git a/driver/level2/tbmv_thread.c b/driver/level2/tbmv_thread.c
index bbb1c50eb2..226a922e99 100644
--- a/driver/level2/tbmv_thread.c
+++ b/driver/level2/tbmv_thread.c
@@ -221,7 +221,7 @@ int CNAME(BLASLONG n, BLASLONG k, FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc
   blas_arg_t args;
   blas_queue_t queue[MAX_CPU_NUMBER];
   BLASLONG range_m[MAX_CPU_NUMBER + 1];
-  BLASLONG range_n[MAX_CPU_NUMBER];
+  BLASLONG range_n[MAX_CPU_NUMBER + 1];
 
   BLASLONG width, i, num_cpu;
 
diff --git a/driver/level2/tpmv_thread.c b/driver/level2/tpmv_thread.c
index 47dc1daf97..c91b527750 100644
--- a/driver/level2/tpmv_thread.c
+++ b/driver/level2/tpmv_thread.c
@@ -243,7 +243,7 @@ int CNAME(BLASLONG m, FLOAT *a, FLOAT *x, BLASLONG incx, FLOAT *buffer, int nthr
   blas_arg_t args;
   blas_queue_t queue[MAX_CPU_NUMBER];
   BLASLONG range_m[MAX_CPU_NUMBER + 1];
-  BLASLONG range_n[MAX_CPU_NUMBER];
+  BLASLONG range_n[MAX_CPU_NUMBER + 1];
 
   BLASLONG width, i, num_cpu;
 
diff --git a/driver/level2/trmv_thread.c b/driver/level2/trmv_thread.c
index 42edb83cb7..0a155366c3 100644
--- a/driver/level2/trmv_thread.c
+++ b/driver/level2/trmv_thread.c
@@ -281,7 +281,7 @@ int CNAME(BLASLONG m, FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG incx, FLOAT *bu
   blas_arg_t args;
   blas_queue_t queue[MAX_CPU_NUMBER];
   BLASLONG range_m[MAX_CPU_NUMBER + 1];
-  BLASLONG range_n[MAX_CPU_NUMBER];
+  BLASLONG range_n[MAX_CPU_NUMBER + 1];
 
   BLASLONG width, i, num_cpu;