--- a/src/Makefile
+++ b/src/Makefile
@@ -8,7 +8,7 @@ wepdecrypt: 	wepdecrypt.o rc4.o wepfilter.o log.o modes.o misc.o verify.o keygen
 	modes.o misc.o md5_digest.o  wepserver.o wepclient.o verify.o keygen.o localkeygen.o $(LIBS)
 
 gwepdecrypt: gwepdecrypt.cpp
-	$(FLTK) --compile gwepdecrypt.cpp
+	$(CXX) $(LDFLAGS) $(CFLAGS) -I. -o $@ gwepdecrypt.cpp $(shell fltk-config --cflags --ldflags) $(LIBS)
 
 wkeygen: wkeygen.c
 	$(LD) $(LDFLAGS) $(CFLAGS) -o $@ wkeygen.c $(LIBS)