diff --git a/singularity/singularity_ngen.def b/singularity/singularity_ngen.def
index 66a563c..f14792d 100644
--- a/singularity/singularity_ngen.def
+++ b/singularity/singularity_ngen.def
@@ -13,7 +13,7 @@ From: rockylinux:9.1
 %post
     # First set the environment variables for use in %post
     TROUTE_REPO="CIROH-UA/t-route"
-    TROUTE_BRANCH="no-fiona"
+    TROUTE_BRANCH="datastream"
     NGEN_REPO="CIROH-UA/ngen"
     NGEN_BRANCH="main"
 
@@ -157,4 +157,4 @@ From: rockylinux:9.1
     templates/guide/HelloNGEN.sh /ngen/HelloNGEN.sh
 
 %runscript
-    exec /ngen/HelloNGEN.sh "$@"
\ No newline at end of file
+    exec /ngen/HelloNGEN.sh "$@"