diff --git a/MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp b/MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp
index 51475f0a..a8ba513c 100644
--- a/MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp
+++ b/MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp
@@ -442,9 +442,7 @@ namespace MobileGL {
         }
 
         void ValidateProgram_State(GLuint program) {
-            auto programObject = TryToGetProgramObject(program);
-            if (!programObject)
-                return;
+            THROW_UNIMPL_EXCEPTION;
         }
 
         void AttachShader(GLuint program, GLuint shader) {