1 files changed, 5 insertions, 1 deletions
diff --git a/lib/gitlab/ci/config/external/mapper.rb b/lib/gitlab/ci/config/external/mapper.rb
index 7f1de6ce1ab..79a04ad409e 100644
--- a/lib/gitlab/ci/config/external/mapper.rb
+++ b/lib/gitlab/ci/config/external/mapper.rb
@@ -142,7 +142,7 @@ module Gitlab
               file_class.new(location, context)
             end.select(&:matching?)
 
-            raise AmbigiousSpecificationError, "Include `#{location.to_json}` needs to match exactly one accessor!" unless matching.one?
+            raise AmbigiousSpecificationError, "Include `#{masked_location(location.to_json)}` needs to match exactly one accessor!" unless matching.one?
 
             matching.first
           end
@@ -177,6 +177,10 @@ module Gitlab
           def expand(data)
             ExpandVariables.expand(data, -> { context.variables_hash })
           end
+
+          def masked_location(location)
+            context.mask_variables_from(location)
+          end
         end
       end
     end