diff --git a/Dockerfile b/Dockerfile
index 82de4ccc03e100646bfed43af2a8799d4d0a286c..0bae30ef30f525839a469b77dfa3a578db9afcca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
 from openjdk:11-jdk-slim
 
 env MODOCOT_BASEDIR /modocot
-env MODOCOT_TESTDIR /$MODOCOT_BASEDIR/test
-env MODOCOT_SOURCEDIR /$MODOCOT_BASEDIR/src
-env MODOCOT_RESULTDIR /$MODOCOT_BASEDIR/result
-env MODOCOT_LIBSDIR /$MODOCOT_BASEDIR/libs
+env MODOCOT_TESTDIR $MODOCOT_BASEDIR/test
+env MODOCOT_SOURCEDIR $MODOCOT_BASEDIR/src
+env MODOCOT_RESULTDIR $MODOCOT_BASEDIR/result
+env MODOCOT_LIBSDIR $MODOCOT_BASEDIR/libs
 
 run mkdir -p $MODOCOT_TESTDIR \
     && mkdir $MODOCOT_SOURCEDIR \