diff --git a/src/module-cache.coffee b/src/module-cache.coffee
new file mode 100644
index 000000000..3a6eb9aee
--- /dev/null
+++ b/src/module-cache.coffee
@@ -0,0 +1,10 @@
+Module = require 'module'
+fs = require 'fs-plus'
+
+originalResolveFilename = Module._resolveFilename
+
+Module._resolveFilename = (relative, parent) ->
+  resolved = originalResolveFilename.apply(global, arguments)
+  if relative[0] isnt '.' and not fs.isAbsolute(relative) and relative isnt resolved
+    console.log "#{relative} -> #{resolved}"
+  resolved
diff --git a/src/window-bootstrap.coffee b/src/window-bootstrap.coffee
index fa7f9d354..6ab56cb22 100644
--- a/src/window-bootstrap.coffee
+++ b/src/window-bootstrap.coffee
@@ -1,6 +1,7 @@
 # Like sands through the hourglass, so are the days of our lives.
 startTime = Date.now()
 
+require './module-cache'
 require './window'
 
 Atom = require './atom'