diff --git a/src/osgDB/Registry.cpp b/src/osgDB/Registry.cpp
index 4b609af61..32852cfeb 100644
--- a/src/osgDB/Registry.cpp
+++ b/src/osgDB/Registry.cpp
@@ -307,6 +307,13 @@ Registry::Registry()
     addFileExtensionAlias("vert", "glsl");
     addFileExtensionAlias("frag", "glsl");
     addFileExtensionAlias("geom", "glsl");
+    addFileExtensionAlias("tctrl", "glsl");
+    addFileExtensionAlias("teval", "glsl");
+    addFileExtensionAlias("compute", "glsl");
+    addFileExtensionAlias("vs", "glsl");
+    addFileExtensionAlias("fs", "glsl");
+    addFileExtensionAlias("cs", "glsl");
+    addFileExtensionAlias("gs", "glsl");
 
     addFileExtensionAlias("js", "V8");
 
diff --git a/src/osgPlugins/glsl/ReaderWriterGLSL.cpp b/src/osgPlugins/glsl/ReaderWriterGLSL.cpp
index 60c4842a4..2f69cae90 100644
--- a/src/osgPlugins/glsl/ReaderWriterGLSL.cpp
+++ b/src/osgPlugins/glsl/ReaderWriterGLSL.cpp
@@ -24,6 +24,10 @@ class ReaderWriterGLSL : public osgDB::ReaderWriter
             supportsExtension("tctrl","OpenGL Shader Language format");
             supportsExtension("teval","OpenGL Shader Language format");
             supportsExtension("compute","OpenGL Shader Language format");
+            supportsExtension("cs","OpenGL Shader Language format");
+            supportsExtension("gs","OpenGL Shader Language format");
+            supportsExtension("vs","OpenGL Shader Language format");
+            supportsExtension("fs","OpenGL Shader Language format");
         }
 
         virtual const char* className() const { return "GLSL Shader Reader"; }