diff --git a/_plugins/hideCustomBibtex.rb b/_plugins/hideCustomBibtex.rb
index 4a852fde6a6e..bead3db9808f 100644
--- a/_plugins/hideCustomBibtex.rb
+++ b/_plugins/hideCustomBibtex.rb
@@ -4,7 +4,7 @@ def hideCustomBibtex(input)
 	  keywords = @context.registers[:site].config['filtered_bibtex_keywords']
 
 	  keywords.each do |keyword|
-		input = input.gsub(/^.*#{keyword}.*$\n/, '')
+		input = input.gsub(/^\s*#{keyword}.*$\n/, '')
 	  end
 
       return input