diff --git a/dos/gccdos.mak b/dos/gccdos.mak
index 7b060d8e..1ea16a8b 100644
--- a/dos/gccdos.mak
+++ b/dos/gccdos.mak
@@ -81,7 +81,7 @@ ptest.exe: %.exe: $(demodir)/%.c
 	$(CC) $(CFLAGS) -o$@ $< $(LIBCURSES)
 
 tuidemo.exe: tuidemo.o tui.o
-	$(LINK) $(LDFLAGS) -o$@ $? $(LIBCURSES)
+	$(LINK) $(LDFLAGS) -o$@ tuidemo.o tui.o $(LIBCURSES)
 
 tui.o: $(demodir)/tui.c $(demodir)/tui.h $(PDCURSES_CURSES_H)
 	$(CC) -c $(CFLAGS) -I$(demodir) -o$@ $<
diff --git a/os2/gccos2.mak b/os2/gccos2.mak
index e772b2e9..11cba1e8 100644
--- a/os2/gccos2.mak
+++ b/os2/gccos2.mak
@@ -122,7 +122,7 @@ ptest.exe: %.exe: %.o
 	$(EXEPOST)
 
 tuidemo.exe:	tuidemo.o tui.o
-	$(LINK) $(LDFLAGS) -o tuidemo $? $(LIBCURSES) $(CCLIBS)
+	$(LINK) $(LDFLAGS) -o tuidemo tuidemo.o tui.o $(LIBCURSES) $(CCLIBS)
 	$(TUIPOST)
 
 firework.o newdemo.o ptest.o rain.o testcurs.o worm.o xmas.o: %.o: \
diff --git a/win32/gccwin32.mak b/win32/gccwin32.mak
index 844032d1..8d153520 100644
--- a/win32/gccwin32.mak
+++ b/win32/gccwin32.mak
@@ -98,7 +98,7 @@ ptest.exe: %.exe: $(demodir)/%.c
 	$(CC) $(CFLAGS) -o$@ $< $(LIBCURSES)
 
 tuidemo.exe: tuidemo.o tui.o
-	$(LINK) $(LDFLAGS) -o$@ $? $(LIBCURSES)
+	$(LINK) $(LDFLAGS) -o$@ tuidemo.o tui.o $(LIBCURSES)
 
 tui.o: $(demodir)/tui.c $(demodir)/tui.h $(PDCURSES_CURSES_H)
 	$(CC) -c $(CFLAGS) -I$(demodir) -o$@ $<
diff --git a/win32/mingwin32.mak b/win32/mingwin32.mak
index fffacba2..40ec8a0d 100644
--- a/win32/mingwin32.mak
+++ b/win32/mingwin32.mak
@@ -98,7 +98,7 @@ ptest.exe: %.exe: $(demodir)/%.c
 	$(CC) $(CFLAGS) -o$@ $< $(LIBCURSES)
 
 tuidemo.exe: tuidemo.o tui.o
-	$(LINK) $(LDFLAGS) -o$@ $? $(LIBCURSES)
+	$(LINK) $(LDFLAGS) -o$@ tuidemo.o tui.o $(LIBCURSES)
 
 tui.o: $(demodir)/tui.c $(demodir)/tui.h $(PDCURSES_CURSES_H)
 	$(CC) -c $(CFLAGS) -I$(demodir) -o$@ $<