diff --git a/Makefile b/Makefile
index 60cf3b8e0..9a1a41856 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ SHELL = /bin/sh
 ########################################################################################
 # Makefile for the installation of DAMASK
 ########################################################################################
-DAMASK_ROOT = $(shell python -c "import os,sys; print(os.path.normpath(os.path.realpath(os.path.expanduser('$(pwd)'))))")
+DAMASK_ROOT = $(shell python3 -c "import os,sys; print(os.path.normpath(os.path.realpath(os.path.expanduser('$(pwd)'))))")
 .PHONY: all
 all: grid mesh processing
 
diff --git a/env/DAMASK.csh b/env/DAMASK.csh
index a669a4ea0..98693d6b2 100644
--- a/env/DAMASK.csh
+++ b/env/DAMASK.csh
@@ -3,7 +3,7 @@
 
 set CALLED=($_)
 set ENV_ROOT=`dirname $CALLED[2]`
-set DAMASK_ROOT=`python -c "import os,sys; print(os.path.realpath(os.path.expanduser(sys.argv[1])))" $ENV_ROOT"/../"`
+set DAMASK_ROOT=`python3 -c "import os,sys; print(os.path.realpath(os.path.expanduser(sys.argv[1])))" $ENV_ROOT"/../"`
 
 source $ENV_ROOT/CONFIG
 
diff --git a/env/DAMASK.sh b/env/DAMASK.sh
index aed99b3bc..5c3d2ba85 100644
--- a/env/DAMASK.sh
+++ b/env/DAMASK.sh
@@ -2,7 +2,7 @@
 # usage:  source DAMASK.sh
 
 function canonicalPath {
-  python -c "import os,sys; print(os.path.normpath(os.path.realpath(os.path.expanduser(sys.argv[1]))))" $1
+  python3 -c "import os,sys; print(os.path.normpath(os.path.realpath(os.path.expanduser(sys.argv[1]))))" $1
 }
 
 function blink {
diff --git a/env/DAMASK.zsh b/env/DAMASK.zsh
index 8769bac34..831268a7e 100644
--- a/env/DAMASK.zsh
+++ b/env/DAMASK.zsh
@@ -2,7 +2,7 @@
 # usage:  source DAMASK.zsh
 
 function canonicalPath {
-  python -c "import os,sys; print(os.path.normpath(os.path.realpath(os.path.expanduser(sys.argv[1]))))" $1
+  python3 -c "import os,sys; print(os.path.normpath(os.path.realpath(os.path.expanduser(sys.argv[1]))))" $1
 }
 
 function blink {