diff --git a/interface/gemv.c b/interface/gemv.c
index 97c68bf2d..206390ed9 100644
--- a/interface/gemv.c
+++ b/interface/gemv.c
@@ -270,10 +270,11 @@ void CNAME(enum CBLAS_ORDER order,
 
   }
 #endif
-// stack overflow check
-assert(stack_check==3.14159265358979323846);
 
 #ifdef MAX_STACK_ALLOC
+  // stack overflow check
+  assert(stack_check==3.14159265358979323846);
+
   if(!stack_alloc_size){
     blas_memory_free(buffer);
   }