diff --git a/src/blas.h b/src/blas.h
index faec1236..09b9c9a7 100644
--- a/src/blas.h
+++ b/src/blas.h
@@ -1,9 +1,13 @@
 #ifndef BLAS_H
 #define BLAS_H
+#include <stdlib.h>
+#include "darknet.h"
+
 #ifdef GPU
 #include "dark_cuda.h"
 #include "tree.h"
 #endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif