diff --git a/dlls/uiautomationcore/Makefile.in b/dlls/uiautomationcore/Makefile.in
index 52214506f74..b6edec5f6a9 100644
--- a/dlls/uiautomationcore/Makefile.in
+++ b/dlls/uiautomationcore/Makefile.in
@@ -1,5 +1,7 @@
 MODULE = uiautomationcore.dll
 IMPORTLIB = uiautomationcore
 
+EXTRADLLFLAGS = -mno-cygwin
+
 C_SRCS = \
 	uia_main.c