diff --git a/lib/config/env.go b/lib/config/env.go
index 86d5fe006..5a853854e 100644
--- a/lib/config/env.go
+++ b/lib/config/env.go
@@ -20,6 +20,7 @@ const (
 	E2E_TEST_LOKI_BASIC_AUTH_ENV            = "E2E_TEST_LOKI_BASIC_AUTH"
 	E2E_TEST_LOKI_BEARER_TOKEN_ENV          = "E2E_TEST_LOKI_BEARER_TOKEN" // #nosec G101
 	E2E_TEST_GRAFANA_BASE_URL_ENV           = "E2E_TEST_GRAFANA_BASE_URL"
+	E2E_TEST_GRAFANA_BASE_URL_GAP_ENV       = "E2E_TEST_GRAFANA_BASE_URL_GAP"
 	E2E_TEST_GRAFANA_DASHBOARD_URL_ENV      = "E2E_TEST_GRAFANA_DASHBOARD_URL"
 	E2E_TEST_GRAFANA_BEARER_TOKEN_ENV       = "E2E_TEST_GRAFANA_BEARER_TOKEN" // #nosec G101
 	E2E_TEST_PYROSCOPE_ENABLED_ENV          = "E2E_TEST_PYROSCOPE_ENABLED"
diff --git a/lib/config/testconfig.go b/lib/config/testconfig.go
index afe287fa6..6354ec717 100644
--- a/lib/config/testconfig.go
+++ b/lib/config/testconfig.go
@@ -143,6 +143,18 @@ func (c *TestConfig) ReadFromEnvVar() error {
 		c.Logging.Grafana.BaseUrl = &grafanaBaseUrl
 	}
 
+	grafanaBaseUrlGap := MustReadEnvVar_String(E2E_TEST_GRAFANA_BASE_URL_GAP_ENV)
+	if grafanaBaseUrlGap != "" {
+		if c.Logging == nil {
+			c.Logging = &LoggingConfig{}
+		}
+		if c.Logging.Grafana == nil {
+			c.Logging.Grafana = &GrafanaConfig{}
+		}
+		logger.Info().Msgf("Using %s env var to override Logging.Grafana.BaseUrlGap", E2E_TEST_GRAFANA_BASE_URL_GAP_ENV)
+		c.Logging.Grafana.BaseUrlGap = &grafanaBaseUrlGap
+	}
+
 	grafanaDashboardUrl := MustReadEnvVar_String(E2E_TEST_GRAFANA_DASHBOARD_URL_ENV)
 	if grafanaDashboardUrl != "" {
 		if c.Logging == nil {