diff --git a/scripts/ext-toolchain.sh b/scripts/ext-toolchain.sh
index f4b9877469..ee7d9532f5 100755
--- a/scripts/ext-toolchain.sh
+++ b/scripts/ext-toolchain.sh
@@ -35,6 +35,7 @@ LIB_SPECS="
 	rt:       librt-* librt
 	pthread:  libpthread-* libpthread
 	stdcpp:   libstdc++
+	thread_db: libthread-db
 	gcc:      libgcc_s
 	ssp:      libssp
 	gfortran: libgfortran