--- a/Makefile
+++ b/Makefile
@@ -92,7 +92,7 @@
 install: all install-bin install-include install-lib install-man
 install-bin: $(INSTALLABLE)
 	$(INSTALL) -d "$(DESTDIR)$(BINDIR)"
-	$(INSTALL) $^ "$(DESTDIR)$(BINDIR)"
+	$(INSTALL) $(^:=.exe) "$(DESTDIR)$(BINDIR)"
 install-include:
 	$(INSTALL) -d "$(DESTDIR)$(INCDIR)"
 	$(INSTALL) -m 644 gif_lib.h "$(DESTDIR)$(INCDIR)"