diff --git a/gitlab/functions.sh b/gitlab/functions.sh
index ca37ba010a12dca6e1945c5f6d59f27d8d1187bf..8b6d09a7361acc6ca1673c2d8a36bfa2212cf72b 100644
--- a/gitlab/functions.sh
+++ b/gitlab/functions.sh
@@ -106,7 +106,7 @@ doc_upload() {
   log_info "Successfully uploaded ${1} with curl"
 }
 
-check_env PYTHON_VER
+check_env PYTHON_VERSION
 check_env CI_PROJECT_DIR
 check_env CI_PROJECT_PATH
 check_env CI_PROJECT_NAME
@@ -156,7 +156,7 @@ else
   CXXFLAGS=${CFLAGS}
 fi
 
-PYVER=py$(echo ${PYTHON_VER} | tr -d '.')
+PYVER=py$(echo ${PYTHON_VERSION} | tr -d '.')
 BOB_PREFIX_PATH=${CONDA_FOLDER}/envs/bob-devel-${PYVER}
 BOB_DOCUMENTATION_SERVER="${DOCSERVER}/software/bob/docs/latest/bob/%s/master/"
 
diff --git a/templates/ci-for-cxx-extensions.yml b/templates/ci-for-cxx-extensions.yml
index dfeb26f035ee69843c1d1ae3cdf1bdc7bf82c670..a61544c8608e1a9bfadf1cf26f7adab0922ef20e 100644
--- a/templates/ci-for-cxx-extensions.yml
+++ b/templates/ci-for-cxx-extensions.yml
@@ -108,7 +108,7 @@ stages:
 build_linux_27:
   <<: *build_job
   variables: &linux_27_build_variables
-    PYTHON_VER: "2.7"
+    PYTHON_VERSION: "2.7"
   tags:
     - conda-linux
 
@@ -132,7 +132,7 @@ wheels_linux_27:
 build_linux_34:
   <<: *build_job
   variables: &linux_34_build_variables
-    PYTHON_VER: "3.4"
+    PYTHON_VERSION: "3.4"
   tags:
     - conda-linux
 
@@ -149,7 +149,7 @@ test_linux_34:
 build_linux_35:
   <<: *build_job
   variables: &linux_35_build_variables
-    PYTHON_VER: "3.5"
+    PYTHON_VERSION: "3.5"
   tags:
     - conda-linux
 
@@ -188,7 +188,7 @@ deploy_linux_35:
 build_macosx_27:
   <<: *build_job
   variables: &macosx_27_build_variables
-    PYTHON_VER: "2.7"
+    PYTHON_VERSION: "2.7"
   tags:
     - conda-macosx
 
@@ -205,7 +205,7 @@ test_macosx_27:
 build_macosx_34:
   <<: *build_job
   variables: &macosx_34_build_variables
-    PYTHON_VER: "3.4"
+    PYTHON_VERSION: "3.4"
   tags:
     - conda-macosx
 
@@ -222,7 +222,7 @@ test_macosx_34:
 build_macosx_35:
   <<: *build_job
   variables: &macosx_35_build_variables
-    PYTHON_VER: "3.5"
+    PYTHON_VERSION: "3.5"
   tags:
     - conda-macosx
 
diff --git a/templates/ci-for-python-only.yml b/templates/ci-for-python-only.yml
index 84dcfa0d045640a66922584136fe99bf7b610850..4b2313051da85dffb0521539e4eb330d10224d93 100644
--- a/templates/ci-for-python-only.yml
+++ b/templates/ci-for-python-only.yml
@@ -108,7 +108,7 @@ stages:
 build_linux_27:
   <<: *build_job
   variables: &linux_27_build_variables
-    PYTHON_VER: "2.7"
+    PYTHON_VERSION: "2.7"
     WHEEL_TAG: "py27"
   tags:
     - conda-linux
@@ -133,7 +133,7 @@ wheels_linux_27:
 build_linux_34:
   <<: *build_job
   variables: &linux_34_build_variables
-    PYTHON_VER: "3.4"
+    PYTHON_VERSION: "3.4"
     WHEEL_TAG: "py3"
   tags:
     - conda-linux
@@ -151,7 +151,7 @@ test_linux_34:
 build_linux_35:
   <<: *build_job
   variables: &linux_35_build_variables
-    PYTHON_VER: "3.5"
+    PYTHON_VERSION: "3.5"
     WHEEL_TAG: "py3"
   tags:
     - conda-linux
@@ -191,7 +191,7 @@ deploy_linux_35:
 build_macosx_27:
   <<: *build_job
   variables: &macosx_27_build_variables
-    PYTHON_VER: "2.7"
+    PYTHON_VERSION: "2.7"
     WHEEL_TAG: "py27"
   tags:
     - conda-macosx
@@ -209,7 +209,7 @@ test_macosx_27:
 build_macosx_34:
   <<: *build_job
   variables: &macosx_34_build_variables
-    PYTHON_VER: "3.4"
+    PYTHON_VERSION: "3.4"
     WHEEL_TAG: "py3"
   tags:
     - conda-macosx
@@ -227,7 +227,7 @@ test_macosx_34:
 build_macosx_35:
   <<: *build_job
   variables: &macosx_35_build_variables
-    PYTHON_VER: "3.5"
+    PYTHON_VERSION: "3.5"
     WHEEL_TAG: "py3"
   tags:
     - conda-macosx