diff --git a/dlls/dbgeng/Makefile.in b/dlls/dbgeng/Makefile.in
index c2639c5d222..55600e22d70 100644
--- a/dlls/dbgeng/Makefile.in
+++ b/dlls/dbgeng/Makefile.in
@@ -2,4 +2,6 @@ MODULE    = dbgeng.dll
 IMPORTLIB = dbgeng
 DELAYIMPORTS = version
 
+EXTRADLLFLAGS = -mno-cygwin
+
 C_SRCS = dbgeng.c