diff --git a/chart/pyroscope/templates/deployment.yaml b/chart/pyroscope/templates/deployment.yaml
index 03926c5..f274640 100644
--- a/chart/pyroscope/templates/deployment.yaml
+++ b/chart/pyroscope/templates/deployment.yaml
@@ -50,7 +50,7 @@ spec:
           {{- end }}
           ports:
             - name: api
-              containerPort: {{ index .Values.pyroscopeConfigs "api-bind-addr" | int | default 4040 }}
+              containerPort: {{ index .Values.pyroscopeConfigs "api-bind-addr" | trimPrefix ":" | int | default 4040 }}
               protocol: TCP
           {{- if .Values.readinessProbe.enabled }}
           readinessProbe: