diff --git a/widget/gtk/DMABufSurface.h b/widget/gtk/DMABufSurface.h
--- a/widget/gtk/DMABufSurface.h
+++ b/widget/gtk/DMABufSurface.h
@@ -146,11 +146,16 @@
   DMABufSurface(SurfaceType aSurfaceType);
 
  protected:
   virtual bool Create(const mozilla::layers::SurfaceDescriptor& aDesc) = 0;
 
+  // Import global ref count from IPC by file descriptor.
   void GlobalRefCountImport(int aFd);
+  // Export global ref count by file descriptor. This adds global ref count
+  // reference to the surface.
+  // It's used when dmabuf surface is shared with another process via. IPC.
+  int GlobalRefCountExport();
   void GlobalRefCountDelete();
 
   void ReleaseDMABuf();
 
   void* MapInternal(uint32_t aX, uint32_t aY, uint32_t aWidth, uint32_t aHeight,
diff --git a/widget/gtk/DMABufSurface.cpp b/widget/gtk/DMABufSurface.cpp
--- a/widget/gtk/DMABufSurface.cpp
+++ b/widget/gtk/DMABufSurface.cpp
@@ -105,11 +105,21 @@
 }
 
 void DMABufSurface::GlobalRefCountImport(int aFd) {
   MOZ_ASSERT(!mGlobalRefCountFd);
   mGlobalRefCountFd = aFd;
-  GlobalRefAdd();
+  MOZ_DIAGNOSTIC_ASSERT(IsGlobalRefSet(),
+                        "We're importing unreferenced surface!");
+}
+
+int DMABufSurface::GlobalRefCountExport() {
+  if (mGlobalRefCountFd) {
+    MOZ_DIAGNOSTIC_ASSERT(IsGlobalRefSet(),
+                          "We're exporting unreferenced surface!");
+    GlobalRefAdd();
+  }
+  return mGlobalRefCountFd;
 }
 
 void DMABufSurface::GlobalRefCountDelete() {
   if (mGlobalRefCountFd) {
     GlobalRefRelease();
@@ -475,11 +485,11 @@
   if (mSync) {
     fenceFDs.AppendElement(ipc::FileDescriptor(mSyncFd));
   }
 
   if (mGlobalRefCountFd) {
-    refCountFDs.AppendElement(ipc::FileDescriptor(mGlobalRefCountFd));
+    refCountFDs.AppendElement(ipc::FileDescriptor(GlobalRefCountExport()));
   }
 
   aOutDescriptor = SurfaceDescriptorDMABuf(
       mSurfaceType, modifiers, mGbmBufferFlags, fds, width, height, width,
       height, format, strides, offsets, GetYUVColorSpace(), mColorRange,
@@ -1118,11 +1128,11 @@
   if (mSync) {
     fenceFDs.AppendElement(ipc::FileDescriptor(mSyncFd));
   }
 
   if (mGlobalRefCountFd) {
-    refCountFDs.AppendElement(ipc::FileDescriptor(mGlobalRefCountFd));
+    refCountFDs.AppendElement(ipc::FileDescriptor(GlobalRefCountExport()));
   }
 
   aOutDescriptor = SurfaceDescriptorDMABuf(
       mSurfaceType, modifiers, 0, fds, width, height, widthBytes, heightBytes,
       format, strides, offsets, GetYUVColorSpace(), mColorRange, fenceFDs, mUID,