diff --git a/src/plugins/plot/src/configuration/PlotSeries.js b/src/plugins/plot/src/configuration/PlotSeries.js
index d1dcd385c1..da6ad15948 100644
--- a/src/plugins/plot/src/configuration/PlotSeries.js
+++ b/src/plugins/plot/src/configuration/PlotSeries.js
@@ -83,6 +83,7 @@ define([
 
             this.listenTo(this, 'change:xKey', this.onXKeyChange, this);
             this.listenTo(this, 'change:yKey', this.onYKeyChange, this);
+            this.persistedConfig = options.persistedConfig;
 
             Model.apply(this, arguments);
             this.onXKeyChange(this.get('xKey'));
@@ -176,8 +177,7 @@ define([
                 return;
             }
             var valueMetadata = this.metadata.value(newKey);
-            var persistedConfig = this.get('persistedConfiguration');
-            if (!persistedConfig || !persistedConfig.interpolate) {
+            if (!this.persistedConfig || !this.persistedConfig.interpolate) {
                 if (valueMetadata.format === 'enum') {
                     this.set('interpolate', 'stepAfter');
                 } else {
diff --git a/src/plugins/plot/src/configuration/SeriesCollection.js b/src/plugins/plot/src/configuration/SeriesCollection.js
index e332871219..900855728a 100644
--- a/src/plugins/plot/src/configuration/SeriesCollection.js
+++ b/src/plugins/plot/src/configuration/SeriesCollection.js
@@ -54,7 +54,7 @@ define([
             domainObject.configuration.series.forEach(function (seriesConfig) {
                 var series = this.byIdentifier(seriesConfig.identifier);
                 if (series) {
-                    series.set('persistedConfiguration', seriesConfig);
+                    series.persistedConfig = seriesConfig;
                 }
             }, this);
         },
@@ -90,7 +90,9 @@ define([
                 model: seriesConfig,
                 domainObject: domainObject,
                 collection: this,
-                openmct: this.openmct
+                openmct: this.openmct,
+                persistedConfig: this.plot
+                    .getPersistedSeriesConfig(domainObject.identifier)
             }));
         },
         removeTelemetryObject: function (identifier) {