diff --git a/containerize.bash b/containerize.bash
index 1c004c8695c4ed915da4312b95cc1bdfcac4d9fe..3d672caecb25fbcb426bc6b67323ce60e9191364 100755
--- a/containerize.bash
+++ b/containerize.bash
@@ -3,7 +3,8 @@
 # Use this script to generate consistent singularity / docker definition files.
 
 NAME="Aphid" # Project name.
-REPO="aphid" # Folder name.
+REPO="aphid" # Source folder name.
+WORKDIR="aphid" # Workding directory name.
 BIN="aphid" # Executable name.
 
 # Collect in this temporary variable.
@@ -121,8 +122,8 @@ RUN <<EOF
 EOF
 
 # Now pick a folder to work within.
-RUN mkdir -p /home/${NAME}
-WORKDIR /home/${NAME}
+RUN mkdir -p /home/${WORKDIR}
+WORKDIR /home/${WORKDIR}
 
 ENTRYPOINT ["${BIN}"]
 DEOF