diff --git a/test/test.cpp b/test/test.cpp
index 746be67b8..f860602da 100644
--- a/test/test.cpp
+++ b/test/test.cpp
@@ -26,6 +26,7 @@
 
 #include <iostream>
 #include <iomanip>
+#include <stdio.h>
 #include <unistd.h>
 #include <string.h>
 #include <math.h>