diff --git a/lib/linguist/heuristics.rb b/lib/linguist/heuristics.rb
index 35052ad3..f18cf920 100644
--- a/lib/linguist/heuristics.rb
+++ b/lib/linguist/heuristics.rb
@@ -346,7 +346,7 @@ module Linguist
     end
 
     disambiguate ".pod" do |data|
-      if /^=\w+$/.match(data)
+      if /^=\w+\b/.match(data)
         Language["Pod"]
       else
         Language["Perl"]