1 files changed, 1 insertions, 1 deletions
diff --git a/common.mk b/common.mk
index d077ad1c2..c8e535d46 100644
--- a/common.mk
+++ b/common.mk
@@ -171,7 +171,7 @@ $(STATIC_RUBY)$(EXEEXT): $(MAINOBJ) $(DLDOBJS) $(EXTOBJS) $(LIBRUBY_A)
 
 ruby.imp: $(EXPORTOBJS)
 	@$(NM) -Pgp $(EXPORTOBJS) | \
-	awk 'BEGIN{print "#!"}; $$2~/^[BDT]$$/&&$$1!~/^(Init_|\.)/{print $$1}' | \
+	awk 'BEGIN{print "#!"}; $$2~/^[BDT]$$/&&$$1!~/^(Init_|.*_threadptr_|\.)/{print $$1}' | \
 	sort -u -o $@
 
 install: install-$(INSTALLDOC)