diff --git a/.changelog/11613.txt b/.changelog/11613.txt
new file mode 100644
index 00000000000..3908b15e8b9
--- /dev/null
+++ b/.changelog/11613.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+compute: fixed a bug where `advertised_route_priority` was accidentally set to 0 during updates in 'google_compute_router_peer'
+```
\ No newline at end of file
diff --git a/google/services/compute/resource_compute_router_peer.go b/google/services/compute/resource_compute_router_peer.go
index 83570a92fc1..bba2d95f0ca 100644
--- a/google/services/compute/resource_compute_router_peer.go
+++ b/google/services/compute/resource_compute_router_peer.go
@@ -395,7 +395,7 @@ func resourceComputeRouterBgpPeerCreate(d *schema.ResourceData, meta interface{}
 	advertisedRoutePriorityProp, err := expandNestedComputeRouterBgpPeerAdvertisedRoutePriority(d.Get("advertised_route_priority"), d, config)
 	if err != nil {
 		return err
-	} else if v, ok := d.GetOkExists("advertised_route_priority"); ok || !reflect.DeepEqual(v, advertisedRoutePriorityProp) {
+	} else if v, ok := d.GetOk("advertised_route_priority"); ok || !reflect.DeepEqual(v, advertisedRoutePriorityProp) {
 		obj["advertisedRoutePriority"] = advertisedRoutePriorityProp
 	}
 	advertiseModeProp, err := expandNestedComputeRouterBgpPeerAdvertiseMode(d.Get("advertise_mode"), d, config)
@@ -726,7 +726,7 @@ func resourceComputeRouterBgpPeerUpdate(d *schema.ResourceData, meta interface{}
 	advertisedRoutePriorityProp, err := expandNestedComputeRouterBgpPeerAdvertisedRoutePriority(d.Get("advertised_route_priority"), d, config)
 	if err != nil {
 		return err
-	} else if v, ok := d.GetOkExists("advertised_route_priority"); ok || !reflect.DeepEqual(v, advertisedRoutePriorityProp) {
+	} else if v, ok := d.GetOk("advertised_route_priority"); ok || !reflect.DeepEqual(v, advertisedRoutePriorityProp) {
 		obj["advertisedRoutePriority"] = advertisedRoutePriorityProp
 	}
 	advertiseModeProp, err := expandNestedComputeRouterBgpPeerAdvertiseMode(d.Get("advertise_mode"), d, config)