diff --git a/bun.lock b/bun.lock
index c812ee9..26496de 100644
--- a/bun.lock
+++ b/bun.lock
@@ -1,6 +1,5 @@
 {
   "lockfileVersion": 1,
-  "configVersion": 1,
   "workspaces": {
     "": {
       "name": "pushy-admin",
diff --git a/src/pages/realtime-metrics.tsx b/src/pages/realtime-metrics.tsx
index 8e0834a..caf7c31 100644
--- a/src/pages/realtime-metrics.tsx
+++ b/src/pages/realtime-metrics.tsx
@@ -232,26 +232,22 @@ export const Component = () => {
     const selectedPoints = chartData.filter(
       (point) => point.isTotal || point.attribute === selectedAttribute,
     );
-    const denominators = new Map<string, number>();
-    const fallbackDenominators = new Map<string, number>();
+    const timeTotals = new Map<
+      string,
+      { total: number; fallback: number; hasTotal: boolean }
+    >();
 
     for (const point of selectedPoints) {
+      let entry = timeTotals.get(point.time);
+      if (!entry) {
+        entry = { total: 0, fallback: 0, hasTotal: false };
+        timeTotals.set(point.time, entry);
+      }
       if (point.isTotal) {
-        denominators.set(
-          point.time,
-          (denominators.get(point.time) || 0) + point.value,
-        );
+        entry.total += point.value;
+        entry.hasTotal = true;
       } else {
-        fallbackDenominators.set(
-          point.time,
-          (fallbackDenominators.get(point.time) || 0) + point.value,
-        );
-      }
-    }
-
-    for (const [time, value] of fallbackDenominators) {
-      if (!denominators.has(time)) {
-        denominators.set(time, value);
+        entry.fallback += point.value;
       }
     }
 
@@ -259,7 +255,12 @@ export const Component = () => {
       if (point.isTotal) {
         return point;
       }
-      const denominator = denominators.get(point.time) || 0;
+      const entry = timeTotals.get(point.time);
+      const denominator = entry
+        ? entry.hasTotal
+          ? entry.total
+          : entry.fallback
+        : 0;
       if (denominator <= 0) {
         return point;
       }