--- a/gfx/gl/SharedSurfaceEGL.cpp
+++ b/gfx/gl/SharedSurfaceEGL.cpp
@@ -81,17 +81,16 @@ SharedSurface_EGLImage::SharedSurface_EG
     , mCurConsGL(nullptr)
     , mConsTex(0)
     , mSync(0)
 {}
 
 SharedSurface_EGLImage::~SharedSurface_EGLImage()
 {
     mEGL->fDestroyImage(Display(), mImage);
-    mImage = 0;
 
     mGL->MakeCurrent();
     mGL->fDeleteTextures(1, &mProdTex);
     mProdTex = 0;
 
     if (mConsTex) {
         MOZ_ASSERT(mGarbageBin);
         mGarbageBin->Trash(mConsTex);

--- a/gfx/gl/SharedSurfaceEGL.h
+++ b/gfx/gl/SharedSurfaceEGL.h
@@ -36,17 +36,19 @@ public:
 
     static bool HasExtensions(GLLibraryEGL* egl, GLContext* gl);
 
 protected:
     mutable Mutex mMutex;
     GLLibraryEGL* const mEGL;
     const GLFormats mFormats;
     GLuint mProdTex;
-    EGLImage mImage;
+public:
+    const EGLImage mImage;
+protected:
     GLContext* mCurConsGL;
     GLuint mConsTex;
     nsRefPtr<TextureGarbageBin> mGarbageBin;
     EGLSync mSync;
 
     SharedSurface_EGLImage(GLContext* gl,
                            GLLibraryEGL* egl,
                            const gfx::IntSize& size,