diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index d29cda28..4ad008a5 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -2,4 +2,5 @@ imports:
     - php
 
 tools:
-    external_code_coverage: true
+    external_code_coverage:
+        runs: 5 # No Code Coverage on PHP 5.2 and HHVM
diff --git a/.travis.yml b/.travis.yml
index 661becfb..9872b17c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,7 @@
 language: php
 
+# When adding environments here, the number of runs specified in .scrutinizer.yml
+# may have to be adjusted.
 php:
   - 5.2
   - 5.3.3