diff --git a/src/syncterm/extdeps.mk b/src/syncterm/extdeps.mk
index 646a34a9c8058102ed6e78b95b14ac3c83188370..f5ee7c9d2b59f22108c22f3ce07b208aa543e84e 100644
--- a/src/syncterm/extdeps.mk
+++ b/src/syncterm/extdeps.mk
@@ -1,4 +1,6 @@
-$(MTOBJODIR)$(DIRSEP)st_crypt.h: $(CRYPT_LIB)
-$(MTOBJODIR)$(DIRSEP)st_crypt$(OFILE): $(CRYPT_LIB)
+$(MTOBJODIR)$(DIRSEP)conn$(OFILE): $(CRYPT_LIB)
 $(MTOBJODIR)$(DIRSEP)ssh$(OFILE): $(CRYPT_LIB)
+$(MTOBJODIR)$(DIRSEP)st_crypt$(OFILE): $(CRYPT_LIB)
+$(MTOBJODIR)$(DIRSEP)syncterm$(OFILE): $(CRYPT_LIB)
 $(MTOBJODIR)$(DIRSEP)telnets$(OFILE): $(CRYPT_LIB)
+$(CIOLIB_INTERPOLATE_OBJS): $(CIOLIB-MT_BUILD)