diff --git a/reproducer.yml b/reproducer.yml
index 5dee7c8e30..b4d7262893 100644
--- a/reproducer.yml
+++ b/reproducer.yml
@@ -108,6 +108,19 @@
             name: firewalld
             state: restarted
 
+    # NOTE(dpawlik): After calling reproducer role using ZIronic tool,
+    # when the bootstrap phase has been completed, it generates a file
+    # "reproducer-variables.yml" that contains all variables done in the
+    # CI job. The problem here is, that "testing" phase might have other
+    # variables than what was in the bootstrap phase. It means, that
+    # we need to overwrite the variables with current CI job vars.
+    - name: Overwrite reproducer-variables.yml when ZIronic bootstrap
+      when:
+        - not cifmw_deploy_reproducer_env | default(true) | bool
+      ansible.builtin.include_role:
+        name: reproducer
+        tasks_from: overwrite_zuul_vars.yml
+
     - name: Run deployment if instructed to
       when:
         - cifmw_deploy_architecture | default(false) | bool
diff --git a/roles/reproducer/tasks/overwrite_zuul_vars.yml b/roles/reproducer/tasks/overwrite_zuul_vars.yml
new file mode 100644
index 0000000000..e9bf552d94
--- /dev/null
+++ b/roles/reproducer/tasks/overwrite_zuul_vars.yml
@@ -0,0 +1,59 @@
+---
+# FIXME(dpawlik): Most variables are available,
+# but we can not parse variables that were not dumped into
+# reproducer-variables.yml or they are unknown.
+# Get desired variables necessary during the bootstrap, like:
+# cifmw_discovered_image_url even when it is not needed, because
+# nodes that require that var are already deployed.
+# Find a way to parse vars with undefined vars with combine.
+- name: Get latest image for future reference
+  ansible.builtin.import_role:
+    role: discover_latest_image
+
+# Based on: roles/cifmw_setup/tasks/bootstrap.yml
+- name: Get customized parameters
+  ansible.builtin.set_fact:
+    zuul_job_overwrite_vars: >-
+      {{
+        hostvars[cifmw_target_host | default('hypervisor')] |
+        dict2items |
+        selectattr("key", "match",
+                   "^(cifmw|pre|post)_(?!install_yamls|openshift_token|openshift_login|openshift_kubeconfig).*") |
+        list | items2dict
+      }}
+  no_log: "{{ cifmw_nolog | default(true) | bool }}"
+
+- name: Overwrite reproducer-variables.yml when ZIronic used
+  block:
+    # NOTE: To avoid situation, that reproducer-variables.yml contains
+    # undefined variable, because not always all variables can be resolved
+    # (sometimes vars are defined in scenarios in later stage), it might
+    # fail because of that. Better is to set as a fact, and dump to a file,
+    # especially that the reproducer-variables.yml is taken as an argument
+    # var when calling nested ansible.
+    - name: Fetch reproducer-variables.yml to hypervisor
+      ansible.builtin.fetch:
+        src: "{{ cifmw_basedir }}/parameters/reproducer-variables.yml"
+        dest: /tmp/reproducer-variables.yml
+        flat: true
+      delegate_to: controller-0
+
+    - name: Read reproducer-variables.yml
+      ansible.builtin.slurp:
+        src: /tmp/reproducer-variables.yml
+      register: reproducer_original
+      no_log: "{{ cifmw_nolog | default(true) | bool }}"
+
+    - name: Deep merge and write back
+      ansible.builtin.copy:
+        content: >-
+          {{
+            (reproducer_original.content | b64decode | from_yaml)
+            | combine(zuul_job_overwrite_vars, recursive=true)
+            | to_nice_yaml
+          }}
+        dest: "{{ cifmw_basedir }}/parameters/reproducer-variables.yml"
+        mode: '0644'
+        backup: true
+      no_log: "{{ cifmw_nolog | default(true) | bool }}"
+      delegate_to: controller-0