--- a/gfx/2d/DrawTargetD2D1.cpp
+++ b/gfx/2d/DrawTargetD2D1.cpp
@@ -45,17 +45,22 @@ DrawTargetD2D1::~DrawTargetD2D1()
     // MarkIndependent is running.
     RefPtr<SourceSurfaceD2D1> deathGrip = mSnapshot;
     // mSnapshot can be treated as independent of this DrawTarget since we know
     // this DrawTarget won't change again.
     deathGrip->MarkIndependent();
     // mSnapshot will be cleared now.
   }
 
-  mDC->EndDraw();
+  if (mDC) {
+    // The only way mDC can be null is if Init failed, but it can happen and the
+    // destructor is the only place where we need to check for it since the
+    // DrawTarget will destroyed right after Init fails.
+    mDC->EndDraw();
+  }
 
   // Targets depending on us can break that dependency, since we're obviously not going to
   // be modified in the future.
   for (auto iter = mDependentTargets.begin();
        iter != mDependentTargets.end(); iter++) {
     (*iter)->mDependingOnTargets.erase(this);
   }
   // Our dependencies on other targets no longer matter.