diff --git a/app/controllers/api/v1/projects/portrait_controller.rb b/app/controllers/api/v1/projects/portrait_controller.rb
index ed732762c..b6118a533 100644
--- a/app/controllers/api/v1/projects/portrait_controller.rb
+++ b/app/controllers/api/v1/projects/portrait_controller.rb
@@ -164,7 +164,7 @@ class Api::V1::Projects::PortraitController < Api::V1::BaseController
     project_member_count = @project.owner.is_a?(User) ? member_count : @project.owner.organization_users.count
     team_impact_member = 40*(member_count.to_f/max_member_count)
     team_impact_recent_member = 40*(recent_one_month_member_count.to_f/max_recent_one_month_member_count)
-    team_impact_issue_assigner = 20*(issue_assigner_count.to_f/max_member_count)
+    team_impact_issue_assigner = 20*(issue_assigner_count.to_f/project_member_count)
     team_impact = format("%.2f", team_impact_member + team_impact_recent_member + team_impact_issue_assigner)
 
     render :json => {