diff --git a/src/libs/glsl/glsl.g b/src/libs/glsl/glsl.g
index cd4fc0388b4..8ed08b13b5f 100644
--- a/src/libs/glsl/glsl.g
+++ b/src/libs/glsl/glsl.g
@@ -305,6 +305,7 @@ private:
 
 #include "glslparser.h"
 #include <iostream>
+#include <cstdio>
 
 using namespace GLSL;
 
diff --git a/src/libs/glsl/glslparser.cpp b/src/libs/glsl/glslparser.cpp
index 7cd4d6cbbdc..e1c1112db67 100644
--- a/src/libs/glsl/glslparser.cpp
+++ b/src/libs/glsl/glslparser.cpp
@@ -30,6 +30,7 @@
 
 #include "glslparser.h"
 #include <iostream>
+#include <cstdio>
 
 using namespace GLSL;
 
diff --git a/src/libs/glsl/specs/glsl.g.in b/src/libs/glsl/specs/glsl.g.in
index fc7fad9817c..61dd17de5c1 100644
--- a/src/libs/glsl/specs/glsl.g.in
+++ b/src/libs/glsl/specs/glsl.g.in
@@ -305,6 +305,7 @@ private:
 
 #include "glslparser.h"
 #include <iostream>
+#include <cstdio>
 
 using namespace GLSL;