diff --git a/lib/brakeman/processors/lib/find_all_calls.rb b/lib/brakeman/processors/lib/find_all_calls.rb
index 1d3dfa26ef587c35ad8a65bc51b5d593dd8b37e7..303c6416183519979357aaf9f853c8a265ed3396 100644
--- a/lib/brakeman/processors/lib/find_all_calls.rb
+++ b/lib/brakeman/processors/lib/find_all_calls.rb
@@ -120,7 +120,11 @@ class Brakeman::FindAllCalls < Brakeman::BaseProcessor
       when :lit
         exp[1]
       when :colon2
-        class_name exp
+        begin
+          class_name exp
+        rescue StandardError
+          exp
+        end
       when :self
         @current_class || @current_module || nil
       else