diff --git a/configure.in b/configure.in
index 034286525..0d3d57e14 100644
--- a/configure.in
+++ b/configure.in
@@ -1994,8 +1994,8 @@ case "$target" in
         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
         case "$target" in
             *-*-cygwin*)
-                CFLAGS="$CFLAGS -I/usr/include/mingw -DWIN32 -Uunix"
-                SDL_CFLAGS="$SDL_CFLAGS -I/usr/include/mingw -DWIN32 -Uunix"
+                CFLAGS="$CFLAGS -I/usr/include/mingw -DWIN32 -Uunix -mno-cygwin"
+                SDL_CFLAGS="$SDL_CFLAGS -I/usr/include/mingw -DWIN32 -Uunix -mno-cygwin"
                 LIBS="$LIBS -mno-cygwin"
                 SDL_LIBS="-lmingw32 -lSDLmain $SDL_LIBS -mwindows -mno-cygwin"
                 ;;