diff --git a/files/shaders/nv_default_fragment.glsl b/files/shaders/nv_default_fragment.glsl
index 03fa378a6d..1245069f60 100644
--- a/files/shaders/nv_default_fragment.glsl
+++ b/files/shaders/nv_default_fragment.glsl
@@ -1,5 +1,9 @@
 #version 120
 
+#if @useUBO
+    #extension GL_ARB_uniform_buffer_object : require
+#endif
+
 #if @useGPUShader4
     #extension GL_EXT_gpu_shader4: require
 #endif
diff --git a/files/shaders/nv_default_vertex.glsl b/files/shaders/nv_default_vertex.glsl
index 7c9d434f18..50f5daf25e 100644
--- a/files/shaders/nv_default_vertex.glsl
+++ b/files/shaders/nv_default_vertex.glsl
@@ -1,5 +1,13 @@
 #version 120
 
+#if @useUBO
+    #extension GL_ARB_uniform_buffer_object : require
+#endif
+
+#if @useGPUShader4
+    #extension GL_EXT_gpu_shader4: require
+#endif
+
 #if @diffuseMap
 varying vec2 diffuseMapUV;
 #endif