diff --git a/dlls/wined3d/cs.c b/dlls/wined3d/cs.c
index 4d7c76e8a76..9288b949d81 100644
--- a/dlls/wined3d/cs.c
+++ b/dlls/wined3d/cs.c
@@ -939,5 +939,6 @@ void wined3d_cs_destroy(struct wined3d_cs *cs)
 {
     state_cleanup(&cs->state);
     HeapFree(GetProcessHeap(), 0, cs->fb.render_targets);
+    HeapFree(GetProcessHeap(), 0, cs->data);
     HeapFree(GetProcessHeap(), 0, cs);
 }