diff --git a/conf/distro/include/tcmode-external-sourcery.inc b/conf/distro/include/tcmode-external-sourcery.inc
index ba2ccb5..67371d0 100644
--- a/conf/distro/include/tcmode-external-sourcery.inc
+++ b/conf/distro/include/tcmode-external-sourcery.inc
@@ -55,6 +55,7 @@ PNBLACKLIST[gcc-cross] = "not building with an external toolchain"
 PNBLACKLIST[gcc-cross-initial] = "not building with an external toolchain"
 PNBLACKLIST[gcc-cross-intermediate] = "not building with an external toolchain"
 PNBLACKLIST[gcc-runtime] = "not building with an external toolchain"
+PNBLACKLIST[libgcc-initial] = "not building with an external toolchain"
 PNBLACKLIST[libgcc] = "not building with an external toolchain"
 PNBLACKLIST[linux-libc-headers] = "not building with an external toolchain"
 PNBLACKLIST[linux-libc-headers-yocto] = "not building with an external toolchain"