diff --git a/Makefile b/Makefile
index 1056a52..3b74811 100644
--- a/Makefile
+++ b/Makefile
@@ -139,7 +139,7 @@ $(OUTDIR)man/style.css : man/style.css
 	cp $^ $@
 
 $(BLDDIR)libtzpfms.a : $(subst src/,$(BLDDIR)obj/,$(subst .cpp,.o,$(COMMON_SOURCES)))
-	$(AR) crs $@ $^
+	$(AR) --thin crs $@ $^
 
 
 $(OUTDIR)% : $(BLDDIR)obj/bin/%.o $(BLDDIR)libtzpfms.a