diff --git a/cmd/tools/vsymlink.v b/cmd/tools/vsymlink.v
index dafd90c56b..e2714b9251 100644
--- a/cmd/tools/vsymlink.v
+++ b/cmd/tools/vsymlink.v
@@ -4,8 +4,8 @@ import v.util
 
 $if windows {
 	$if tinyc {
-		#flag -lAdvapi32
-		#flag -lUser32
+		#flag -ladvapi32
+		#flag -luser32
 	}
 }
 fn main() {
diff --git a/vlib/clipboard/clipboard_windows.c.v b/vlib/clipboard/clipboard_windows.c.v
index f78566e0ca..9ae42d1fce 100644
--- a/vlib/clipboard/clipboard_windows.c.v
+++ b/vlib/clipboard/clipboard_windows.c.v
@@ -3,7 +3,7 @@ module clipboard
 import time
 
 #include <windows.h>
-#flag -lUser32
+#flag -luser32
 
 struct WndClassEx {
 	cb_size         u32