diff --git a/driver/level2/gemv_thread.c b/driver/level2/gemv_thread.c
index fc4e4f7fe..d57740314 100644
--- a/driver/level2/gemv_thread.c
+++ b/driver/level2/gemv_thread.c
@@ -165,7 +165,7 @@ int CNAME(BLASLONG m, BLASLONG n, FLOAT *alpha, FLOAT *a, BLASLONG lda, FLOAT *x
 
   BLASLONG width, i, num_cpu;
 
-#if !defined(TRANSA) && !defined(iUNSAFE)
+#if !defined(TRANSA) && !defined(UNSAFE)
   int split_x=0;
 #endif