diff --git a/dlls/d3d10/stateblock.c b/dlls/d3d10/stateblock.c
index d0efc525df1..470d3252952 100644
--- a/dlls/d3d10/stateblock.c
+++ b/dlls/d3d10/stateblock.c
@@ -274,6 +274,7 @@ static ULONG STDMETHODCALLTYPE d3d10_stateblock_Release(ID3D10StateBlock *iface)
     if (!refcount)
     {
         stateblock_cleanup(stateblock);
+        ID3D10Device_Release(stateblock->device);
         HeapFree(GetProcessHeap(), 0, stateblock);
     }