diff --git a/README.md b/README.md
index af28d433c..a24e6a70f 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
   <img src="http://build.loophabits.org:26213/app/rest/builds/buildType(id:LoopHabitTracker_Nougat)/statusIcon">
 </a>
 <a href="http://build.loophabits.org:26213/project.html?projectId=LoopHabitTracker&tab=preport_project1_Code_Coverage&branch_LoopHabitTracker=__all_branches__&guest=1">
-  <img src="http://build.loophabits.org:26213/app/rest/builds/buildType(id:LoopHabitTracker_Nougat)/artifacts/content/app/build/outputs/coverage-badge.svg" />
+  <img src="http://build.loophabits.org:26213/app/rest/builds/buildType(id:LoopHabitTracker_Nougat)/artifacts/content/app/build/outputs/coverage-badge.svg?guest=1" />
 </a>
 
 Loop is a simple Android app that helps you create and maintain good habits,
diff --git a/tools/coverage-badge/badge.py b/tools/coverage-badge/badge.py
index f3cc09f35..3d64e3247 100644
--- a/tools/coverage-badge/badge.py
+++ b/tools/coverage-badge/badge.py
@@ -46,10 +46,9 @@ class Devnull(object):
 def get_total(report):
     doc = BeautifulSoup(file(report), 'xml')
     tag = doc.select("report > counter[type^INST]")[0]
-    missed = int(tag['missed'])
-    covered = int(tag['covered'])
-    total = int((covered * 10000 / (missed + covered)) / 100)
-    return str(total)
+    missed = float(tag['missed'])
+    covered = float(tag['covered'])
+    return str(int(round(100 * covered / (missed + covered))))
 
 def get_color(total):
     """