diff --git a/gcm_run.j b/gcm_run.j
index 25115661..90a99be7 100755
--- a/gcm_run.j
+++ b/gcm_run.j
@@ -64,6 +64,18 @@ setenv  HOMDIR  @HOMDIR
 setenv  RSTDATE @RSTDATE
 setenv  GCMEMIP @GCMEMIP
 
+#######################################################################
+#                          DSL configuration
+#######################################################################
+
+if ( $?USE_DSL ) then
+   if ( $?PYTHONPATH ) then
+      setenv PYTHONPATH       ${PYTHONPATH}:${GEOSDIR}/lib/Python/
+   else
+      setenv PYTHONPATH       ${GEOSDIR}/lib/Python/
+   endif
+endif
+
 #######################################################################
 #                 Create Experiment Sub-Directories
 #######################################################################
diff --git a/scm_run.j b/scm_run.j
index af2eea23..bcf05c7b 100755
--- a/scm_run.j
+++ b/scm_run.j
@@ -16,6 +16,15 @@ setenv GEOSUTIL         @INSTALLDIR
 
 source $GEOSBIN/g5_modules
 
+if ( $?USE_DSL ) then
+    if ( $?PYTHONPATH ) then
+        setenv PYTHONPATH       ${PYTHONPATH}:${GEOSDIR}/lib/Python/
+    else
+        setenv PYTHONPATH       ${GEOSDIR}/lib/Python/
+    endif
+endif
+
+
 # We only prepend to DY/LD_LIBRARY_PATH if it exists
 if ( $?@LD_LIBRARY_PATH_CMD ) then
    setenv @LD_LIBRARY_PATH_CMD "${@LD_LIBRARY_PATH_CMD}:${GEOSDIR}/lib"