diff --git a/src/shader.cpp b/src/shader.cpp
index e7c6401..4205af5 100644
--- a/src/shader.cpp
+++ b/src/shader.cpp
@@ -2,10 +2,11 @@
 #include <cassert>
 #include <cstddef>
 #include <cstdlib>
+#include <cstdio>
 #include <cstring>
-#include <string>
 #include <fstream>
 #include <iostream>
+#include <string>
 
 #include <glm/gtc/matrix_transform.hpp>