diff --git a/drivers/net/mlx4/mlx4_utils.h b/drivers/net/mlx4/mlx4_utils.h
index bebd4aeda0..dc529c9cfd 100644
--- a/drivers/net/mlx4/mlx4_utils.h
+++ b/drivers/net/mlx4/mlx4_utils.h
@@ -34,6 +34,7 @@
 #ifndef MLX4_UTILS_H_
 #define MLX4_UTILS_H_
 
+#include <assert.h>
 #include <stddef.h>
 #include <stdio.h>