diff --git a/changelog/20251010_fix_split_environment_variables_on_helm_chart.md b/changelog/20251010_fix_split_environment_variables_on_helm_chart.md
new file mode 100644
index 000000000..688cc0a42
--- /dev/null
+++ b/changelog/20251010_fix_split_environment_variables_on_helm_chart.md
@@ -0,0 +1,6 @@
+---
+kind: fix
+date: 2025-10-10
+---
+
+* Fixed parsing of the `customEnvVars` Helm value when values contain `=` characters.
diff --git a/helm_chart/templates/operator.yaml b/helm_chart/templates/operator.yaml
index d6b9fee91..2fdc2b983 100644
--- a/helm_chart/templates/operator.yaml
+++ b/helm_chart/templates/operator.yaml
@@ -277,8 +277,8 @@ spec:
     {{- end }}
     {{- if .Values.customEnvVars }}
       {{- range split "&" .Values.customEnvVars }}
-            - name: {{ (split "=" .)._0 }}
-              value: '{{ (split "=" .)._1 }}'
+            - name: {{ (splitn "=" 2 .)._0 }}
+              value: '{{ (splitn "=" 2 .)._1 }}'
       {{- end }}
     {{- end }}
 {{- if .Values.multiCluster.clusters }}