diff --git a/components/shader/shadermanager.cpp b/components/shader/shadermanager.cpp
index b8beffa2e1..3b18d0b756 100644
--- a/components/shader/shadermanager.cpp
+++ b/components/shader/shadermanager.cpp
@@ -347,7 +347,10 @@ namespace Shader
     {
         OpenThreads::ScopedLock<OpenThreads::Mutex> lock(mMutex);
         for (auto shader : mShaders)
-            shader.second->releaseGLObjects(state);
+        {
+            if (shader.second != nullptr)
+                shader.second->releaseGLObjects(state);
+        }
         for (auto program : mPrograms)
             program.second->releaseGLObjects(state);
     }