diff --git a/terraform/monitoring/panels/lb/error_4xx.libsonnet b/terraform/monitoring/panels/lb/error_4xx.libsonnet
index 15ae59f..6cc41e8 100644
--- a/terraform/monitoring/panels/lb/error_4xx.libsonnet
+++ b/terraform/monitoring/panels/lb/error_4xx.libsonnet
@@ -11,7 +11,7 @@ local _configuration = defaults.configuration.timeseries
     axisSoftMin = 0,
     axisSoftMax = threshold * 1.2,
   )
-  .withThresholdStyle(grafana.fieldConfig.thresholdStyle.dashed)
+  .withThresholdStyle(grafana.fieldConfig.thresholdStyle.Dashed)
   .addThreshold({
     color : defaults.values.colors.critical,
     value : threshold,
@@ -29,7 +29,7 @@ local _configuration = defaults.configuration.timeseries
           axisSoftMin = 0,
           axisSoftMax = threshold * 1.2,
         )
-        .withThresholdStyle(grafana.fieldConfig.thresholdStyle.dashed)
+        .withThresholdStyle(grafana.fieldConfig.thresholdStyle.Dashed)
         .addThreshold({
           color : defaults.values.colors.critical,
           value : threshold,
diff --git a/terraform/monitoring/panels/lb/error_5xx.libsonnet b/terraform/monitoring/panels/lb/error_5xx.libsonnet
index 2a8412d..2cdef66 100644
--- a/terraform/monitoring/panels/lb/error_5xx.libsonnet
+++ b/terraform/monitoring/panels/lb/error_5xx.libsonnet
@@ -11,7 +11,7 @@ local _configuration = defaults.configuration.timeseries
     axisSoftMin = 0,
     axisSoftMax = threshold * 1.2,
   )
-  .withThresholdStyle(grafana.fieldConfig.thresholdStyle.dashed)
+  .withThresholdStyle(grafana.fieldConfig.thresholdStyle.Dashed)
   .addThreshold({
     color : defaults.values.colors.critical,
     value : threshold,