diff --git a/programs/msiexec/msiexec.c b/programs/msiexec/msiexec.c
index 1c42e904f37..cb0984dfe52 100644
--- a/programs/msiexec/msiexec.c
+++ b/programs/msiexec/msiexec.c
@@ -870,7 +870,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 				ExitProcess(1);
 			}
 		}
-		else if(msi_option_equal(argvW[i], "p"))
+		else if(msi_option_equal(argvW[i], "p") || msi_option_equal(argvW[i], "update"))
 		{
 			FunctionPatch = TRUE;
 			i++;