diff --git a/reactos/subsystems/win32/win32k/objects/fillshap.c b/reactos/subsystems/win32/win32k/objects/fillshap.c
index 87304e3c729..327b628ed30 100644
--- a/reactos/subsystems/win32/win32k/objects/fillshap.c
+++ b/reactos/subsystems/win32/win32k/objects/fillshap.c
@@ -955,6 +955,8 @@ GreGradientFill(
     if (ppal)
         PALETTE_UnlockPalette(ppal);
 
+    DC_UnlockDc(pdc);
+
     return bRet;
 }