diff --git a/inventory/group_vars/copr_back b/inventory/group_vars/copr_back
index 97c96d089a..ea40d2c0ee 100644
--- a/inventory/group_vars/copr_back
+++ b/inventory/group_vars/copr_back
@@ -22,6 +22,8 @@ do_sign: "true"
 spawn_in_advance: "true"
 frontend_base_url: "https://copr.fedorainfracloud.org"
 
+ansible_python_interpreter: /usr/bin/python3
+
 # These variables are pushed into /etc/system_identification by the base role.
 # Groups and individual hosts should override them with specific info.
 # See http://infrastructure.fedoraproject.org/csi/security-policy/
diff --git a/inventory/group_vars/copr_back_dev b/inventory/group_vars/copr_back_dev
index ae3eb8b245..06320d119d 100644
--- a/inventory/group_vars/copr_back_dev
+++ b/inventory/group_vars/copr_back_dev
@@ -19,6 +19,8 @@ do_sign: "true"
 spawn_in_advance: "false"
 frontend_base_url: "https://copr-fe-dev.cloud.fedoraproject.org"
 
+ansible_python_interpreter: /usr/bin/python3
+
 # These variables are pushed into /etc/system_identification by the base role.
 # Groups and individual hosts should override them with specific info.
 # See http://infrastructure.fedoraproject.org/csi/security-policy/
diff --git a/inventory/group_vars/copr_back_stg b/inventory/group_vars/copr_back_stg
index 97c14cd8d3..5861b26fa0 100644
--- a/inventory/group_vars/copr_back_stg
+++ b/inventory/group_vars/copr_back_stg
@@ -21,6 +21,8 @@ do_sign: "true"
 spawn_in_advance: "false"
 frontend_base_url: "https://copr.stg.fedoraproject.org"
 
+ansible_python_interpreter: /usr/bin/python3
+
 # These variables are pushed into /etc/system_identification by the base role.
 # Groups and individual hosts should override them with specific info.
 # See http://infrastructure.fedoraproject.org/csi/security-policy/