diff --git a/Makefile.in b/Makefile.in
index c5419fe4006c9d0408db5cae210cfb3ccd8adc05..9d5b0878f1a3b4b9e5c8ff986ed89a4827f13f21 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -131,7 +131,7 @@ $(SHLIBFORLINK): $(nettle_PURE_OBJS)
 	$(COMPILE) $(SHLIBCFLAGS) -c $< -o $@ \
 	&& $(DEP_PROCESS)
 
-.o$(EXEEXT):
+.$(OBJEXT)$(EXEEXT):
 	$(LINK) $< $(LIBS) -o $@
 
 aesdata$(EXEEXT): aesdata.$(OBJEXT)