diff --git a/packages/apollo-shared/src/Changes/DiscontinuousLocationEndChange.ts b/packages/apollo-shared/src/Changes/DiscontinuousLocationEndChange.ts
index c08e55ac..2374eb33 100644
--- a/packages/apollo-shared/src/Changes/DiscontinuousLocationEndChange.ts
+++ b/packages/apollo-shared/src/Changes/DiscontinuousLocationEndChange.ts
@@ -117,7 +117,7 @@ export class DiscontinuousLocationEndChange extends FeatureChange {
       }
 
       try {
-        topLevelFeature.markModified('discontinuousLocations')
+        topLevelFeature.markModified('children')
         await topLevelFeature.save()
       } catch (error) {
         logger.debug?.(`*** FAILED: ${error}`)
diff --git a/packages/apollo-shared/src/Changes/DiscontinuousLocationStartChange.ts b/packages/apollo-shared/src/Changes/DiscontinuousLocationStartChange.ts
index cecc7b82..9b7953d8 100644
--- a/packages/apollo-shared/src/Changes/DiscontinuousLocationStartChange.ts
+++ b/packages/apollo-shared/src/Changes/DiscontinuousLocationStartChange.ts
@@ -117,7 +117,7 @@ export class DiscontinuousLocationStartChange extends FeatureChange {
       }
 
       try {
-        topLevelFeature.markModified('discontinuousLocations')
+        topLevelFeature.markModified('children')
         await topLevelFeature.save()
       } catch (error) {
         logger.debug?.(`*** FAILED: ${error}`)
diff --git a/packages/jbrowse-plugin-apollo/src/LinearApolloDisplay/glyphs/Glyph.ts b/packages/jbrowse-plugin-apollo/src/LinearApolloDisplay/glyphs/Glyph.ts
index bc427ad9..3e22037d 100644
--- a/packages/jbrowse-plugin-apollo/src/LinearApolloDisplay/glyphs/Glyph.ts
+++ b/packages/jbrowse-plugin-apollo/src/LinearApolloDisplay/glyphs/Glyph.ts
@@ -147,7 +147,8 @@ export abstract class Glyph {
           }
         }
       } else {
-        location += `${feature.start}-${feature.end},..,${start}-${end}`
+        const [firstLoc] = discontinuousLocations
+        location += `${firstLoc.start}-${firstLoc.end},..,${start}-${end}`
       }
     } else {
       ;({ end, length, start } = feature)