diff --git a/public/app/plugins/datasource/cloud-monitoring/constants.ts b/public/app/plugins/datasource/cloud-monitoring/constants.ts
index 77e2358c924..6560e6feb6b 100644
--- a/public/app/plugins/datasource/cloud-monitoring/constants.ts
+++ b/public/app/plugins/datasource/cloud-monitoring/constants.ts
@@ -250,7 +250,7 @@ export const ALIGNMENT_PERIODS: periodOption[] = [
   { text: '10m', value: '+600s' },
   { text: '30m', value: '+1800s' },
   { text: '1h', value: '+3600s' },
-  { text: '3h', value: '+7200s' },
+  { text: '3h', value: '+10800s' },
   { text: '6h', value: '+21600s' },
   { text: '1d', value: '+86400s' },
   { text: '3d', value: '+259200s' },