diff --git a/middleman-core/lib/middleman-core/extensions/minify_css.rb b/middleman-core/lib/middleman-core/extensions/minify_css.rb
index 067b25bf..2701b8f2 100644
--- a/middleman-core/lib/middleman-core/extensions/minify_css.rb
+++ b/middleman-core/lib/middleman-core/extensions/minify_css.rb
@@ -1,3 +1,4 @@
+require 'active_support/core_ext/object/try'
 require 'memoist'
 require 'middleman-core/contracts'
 
diff --git a/middleman-core/lib/middleman-core/extensions/minify_javascript.rb b/middleman-core/lib/middleman-core/extensions/minify_javascript.rb
index 48490470..22719e83 100644
--- a/middleman-core/lib/middleman-core/extensions/minify_javascript.rb
+++ b/middleman-core/lib/middleman-core/extensions/minify_javascript.rb
@@ -1,3 +1,4 @@
+require 'active_support/core_ext/object/try'
 require 'middleman-core/contracts'
 require 'memoist'