diff --git a/contrib/gitian-descriptors/gitian-linux.yml b/contrib/gitian-descriptors/gitian-linux.yml
index 7400d41d8..793bf066f 100644
--- a/contrib/gitian-descriptors/gitian-linux.yml
+++ b/contrib/gitian-descriptors/gitian-linux.yml
@@ -142,7 +142,7 @@ script: |
     find . -name "lib*.a" -delete
     rm -rf ${DISTNAME}/lib/pkgconfig
     # Litecoin: Delete libbitcoin from binary distribution for now, see #192
-    rm -rf ${DISTNAME}/lib/
+    rm -rf ${DISTNAME:?}/lib/
     rm -rf ${DISTNAME}/include/
     # Litecoin: ends
     find ${DISTNAME}/bin -type f -executable -print0 | xargs -0 -n1 -I{} ../contrib/devtools/split-debug.sh {} {} {}.dbg
diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
index cbe16a85f..f0c9dde97 100644
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -153,7 +153,7 @@ script: |
     find . -name "lib*.a" -delete
     
     # Litecoin: Delete libbitcoin from binary distribution for now, see #192
-    rm -rf ${DISTNAME}/lib/
+    rm -rf ${DISTNAME:?}/lib/
     rm -rf ${DISTNAME}/include/
     # Litecoin: ends
     
diff --git a/contrib/gitian-descriptors/gitian-win.yml b/contrib/gitian-descriptors/gitian-win.yml
index 4c4bf5073..b75657d78 100644
--- a/contrib/gitian-descriptors/gitian-win.yml
+++ b/contrib/gitian-descriptors/gitian-win.yml
@@ -140,7 +140,7 @@ script: |
     find . -name "lib*.la" -delete
     find . -name "lib*.a" -delete
     # Litecoin: Delete libbitcoin from binary distribution for now, see #192
-    rm -rf ${DISTNAME}/lib/
+    rm -rf ${DISTNAME:?}/lib/
     rm -rf ${DISTNAME}/include/
     # Litecoin: ends
     rm -rf ${DISTNAME}/lib/pkgconfig