diff --git a/crda/Makefile b/crda/Makefile

index 6ca26f3..457ba13 100644

--- a/crda/Makefile

+++ b/crda/Makefile

@@ -116,7 +116,7 @@ keys-%.c: utils/key2pub.py $(wildcard $(PUBKEY_DIR)/*.pem)

 $(LIBREG): reglib.c regdb.h reglib.h

 	$(NQ) '  CC  ' $@

-	$(Q)$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ -shared -Wl,-soname,$(LIBREG) $<

+	$(Q)$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ -shared -Wl,-soname,$(LIBREG) $(LDFLAGS) $< -lgcrypt -lm

 install-libreg-headers:

 	$(NQ) '  INSTALL  libreg-headers'