diff --git a/Src/Graphics/New3D/R3DShader.cpp b/Src/Graphics/New3D/R3DShader.cpp
index 7cb6bd6..9f5ee3a 100644
--- a/Src/Graphics/New3D/R3DShader.cpp
+++ b/Src/Graphics/New3D/R3DShader.cpp
@@ -5,6 +5,8 @@ namespace New3D {
 
 static const char *vertexShaderR3D = R"glsl(
 
+#version 120
+
 // uniforms
 uniform float	fogIntensity;
 uniform float	fogDensity;
@@ -32,6 +34,8 @@ void main(void)
 
 static const char *fragmentShaderR3D = R"glsl(
 
+#version 120
+
 uniform sampler2D tex1;			// base tex
 uniform sampler2D tex2;			// micro tex (optional)