diff --git a/driver/others/memory.c b/driver/others/memory.c
index 74870e498..99ddd11f5 100644
--- a/driver/others/memory.c
+++ b/driver/others/memory.c
@@ -1817,7 +1817,7 @@ int get_num_procs(void) {
 
 #if defined(USE_OPENMP)
 /*  if (omp_get_proc_bind() != omp_proc_bind_false) */
-#if_OPENMP >= 201307
+#if _OPENMP >= 201307
     nums = omp_get_num_places();	  
 #endif
     return nums;