diff --git a/src/pages/overall/graph-overall/graph-overall.ts b/src/pages/overall/graph-overall/graph-overall.ts
index a4214cc..68fe85e 100644
--- a/src/pages/overall/graph-overall/graph-overall.ts
+++ b/src/pages/overall/graph-overall/graph-overall.ts
@@ -151,7 +151,7 @@ export default class GraphOverall extends Vue
                     }
 
                     // Add average to the row
-                    row[course.name] = score * 100;
+                    if (score != 0) row[course.name] = score * 100;
                 }
             });