diff --git a/gluex_env.csh b/gluex_env.csh
index d1aae39..ff7d895 100644
--- a/gluex_env.csh
+++ b/gluex_env.csh
@@ -107,7 +107,11 @@ endif
 if ($?HALLD_RECON_HOME) then
     echo $PATH | grep $HALLD_RECON_HOME/$BMS_OSNAME/bin > /dev/null
     if ($status) setenv PATH $HALLD_RECON_HOME/${BMS_OSNAME}/bin:$PATH
-    setenv PYTHONPATH $HALLD_RECON_HOME/$BMS_OSNAME/python2:$PYTHONPATH
+    if (`$BUILD_SCRIPTS/python_chooser.sh version` == '3') then
+        setenv PYTHONPATH $HALLD_RECON_HOME/$BMS_OSNAME/python3:$PYTHONPATH
+    else
+        setenv PYTHONPATH $HALLD_RECON_HOME/$BMS_OSNAME/python2:$PYTHONPATH
+    endif
 endif
 # halld_sim
 if ($?HALLD_SIM_HOME) then
diff --git a/gluex_env.sh b/gluex_env.sh
index 1bc9cb0..c81dcda 100755
--- a/gluex_env.sh
+++ b/gluex_env.sh
@@ -177,7 +177,12 @@ then
     then
 	export PATH=$HALLD_RECON_HOME/${BMS_OSNAME}/bin:$PATH
     fi
-    export PYTHONPATH=$HALLD_RECON_HOME/$BMS_OSNAME/python2:$PYTHONPATH
+    if [ `$BUILD_SCRIPTS/python_chooser.sh version` -eq 3 ]
+    then
+        export PYTHONPATH=$HALLD_RECON_HOME/$BMS_OSNAME/python3:$PYTHONPATH
+    else
+        export PYTHONPATH=$HALLD_RECON_HOME/$BMS_OSNAME/python2:$PYTHONPATH
+    fi
 fi
 # halld_sim
 if [ -n "$HALLD_SIM_HOME" ]
diff --git a/gluex_env_clean.csh b/gluex_env_clean.csh
index 2161961..2bb878e 100644
--- a/gluex_env_clean.csh
+++ b/gluex_env_clean.csh
@@ -48,7 +48,10 @@ if ($?BUILD_SCRIPTS) then
     if ($?RCDB_HOME) eval `$BUILD_SCRIPTS/delpath.pl -p $RCDB_HOME/python`
     if ($?ROOTSYS) eval `$BUILD_SCRIPTS/delpath.pl -p $ROOTSYS/lib`
     if ($?HALLD_HOME) eval `$BUILD_SCRIPTS/delpath.pl -p $HALLD_HOME/$BMS_OSNAME/python2`
-    if ($?HALLD_RECON_HOME) eval `$BUILD_SCRIPTS/delpath.pl -p $HALLD_RECON_HOME/$BMS_OSNAME/python2`
+    if ($?HALLD_RECON_HOME) then
+        eval `$BUILD_SCRIPTS/delpath.pl -p $HALLD_RECON_HOME/$BMS_OSNAME/python2`
+        eval `$BUILD_SCRIPTS/delpath.pl -p $HALLD_RECON_HOME/$BMS_OSNAME/python3`
+    endif
     if ($?HDGEANT4_HOME) eval `$BUILD_SCRIPTS/delpath.pl -p $HDGEANT4_HOME/g4py`
     eval `$BUILD_SCRIPTS/delpath.pl -p`
 endif
diff --git a/gluex_env_clean.sh b/gluex_env_clean.sh
index b708d6d..ef9fd11 100644
--- a/gluex_env_clean.sh
+++ b/gluex_env_clean.sh
@@ -52,7 +52,11 @@ if [ -n "$BUILD_SCRIPTS" ]; then
     if [ -n "$RCDB_HOME" ]; then eval `$BUILD_SCRIPTS/delpath.pl -b -p $RCDB_HOME/python`; fi
     if [ -n "$ROOTSYS" ]; then eval `$BUILD_SCRIPTS/delpath.pl -b -p $ROOTSYS/lib`; fi
     if [ -n "$HALLD_HOME" ]; then eval `$BUILD_SCRIPTS/delpath.pl -b -p $HALLD_HOME/$BMS_OSNAME/python2`; fi
-    if [ -n "$HALLD_RECON_HOME" ]; then eval `$BUILD_SCRIPTS/delpath.pl -b -p $HALLD_RECON_HOME/$BMS_OSNAME/python2`; fi
+    if [ -n "$HALLD_RECON_HOME" ]
+    then
+        eval `$BUILD_SCRIPTS/delpath.pl -b -p $HALLD_RECON_HOME/$BMS_OSNAME/python2`
+        eval `$BUILD_SCRIPTS/delpath.pl -b -p $HALLD_RECON_HOME/$BMS_OSNAME/python3`
+    fi
     if [ -n "$HDGEANT4_HOME" ]; then eval `$BUILD_SCRIPTS/delpath.pl -b -p $HDGEANT4_HOME/g4py`; fi
     eval `$BUILD_SCRIPTS/delpath.pl -b -p`
 fi