diff --git a/README.md b/README.md
index 942921085..17af07b7c 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,7 @@ Please read the guidelines: https://github.com/pattern-lab/patternlab-node/blob/
 
 The Pattern Lab Node team uses [our gitter.im channel, pattern-lab/node](https://gitter.im/pattern-lab/node) to keep in sync, share updates, and talk shop. Please stop by to say hello or as a first place to turn if stuck. Other channels in the Pattern Lab organization can be found on gitter too.
 
-There is also a dedicated Pattern Lab channel on the [design system slack](designsystems.herokuapp.com) run by [@jina](https://twitter.com/jina).
+There is also a dedicated Pattern Lab channel on the [design system slack](http://designsystems.herokuapp.com) run by [@jina](https://twitter.com/jina).
 
 Ask or answer Pattern Lab questions on Stack Overflow: http://stackoverflow.com/questions/tagged/patternlab.io
 
diff --git a/core/lib/object_factory.js b/core/lib/object_factory.js
index 1263d80df..488b6fa13 100644
--- a/core/lib/object_factory.js
+++ b/core/lib/object_factory.js
@@ -59,7 +59,7 @@ var Pattern = function (relPath, data, patternlab) {
 
   // Let's calculate the verbose name ahead of time! We don't use path.sep here
   // on purpose. This isn't a file name!
-  this.verbosePartial = this.subdir + '/' + this.fileName;
+  this.verbosePartial = this.subdir.split(path.sep).join('/') + '/' + this.fileName;
 
   this.isPattern = true;
   this.isFlatPattern = this.patternGroup === this.patternSubGroup;
diff --git a/core/lib/pattern_assembler.js b/core/lib/pattern_assembler.js
index dc76832a6..ff680513a 100644
--- a/core/lib/pattern_assembler.js
+++ b/core/lib/pattern_assembler.js
@@ -34,7 +34,7 @@ var pattern_assembler = function () {
     for (var i = 0; i < patternlab.patterns.length; i++) {
       switch (partialName) {
         case patternlab.patterns[i].relPath:
-        case patternlab.patterns[i].subdir + '/' + patternlab.patterns[i].fileName:
+        case patternlab.patterns[i].verbosePartial:
           return patternlab.patterns[i];
       }
     }
diff --git a/core/lib/pattern_registry.js b/core/lib/pattern_registry.js
index eda22d0ae..cbd46d82d 100644
--- a/core/lib/pattern_registry.js
+++ b/core/lib/pattern_registry.js
@@ -62,7 +62,7 @@ PatternRegistry.prototype = {
     for (let thisPattern of patterns) {
       switch (partialName) {
         case thisPattern.relPath:
-        case thisPattern.subdir + '/' + thisPattern.fileName:
+        case thisPattern.verbosePartial:
           return thisPattern;
       }
     }
diff --git a/test/parameter_hunter_tests.js b/test/parameter_hunter_tests.js
index a94e42e75..bdf12ba91 100644
--- a/test/parameter_hunter_tests.js
+++ b/test/parameter_hunter_tests.js
@@ -17,6 +17,7 @@ function currentPatternClosure() {
     "relPath": "02-organisms/02-comments/01-sticky-comment.mustache",
     "fileName": "01-sticky-comment",
     "subdir": "02-organisms/02-comments",
+    "verbosePartial": "02-organisms/02-comments/01-sticky-comment",
     "name": "02-organisms-02-comments-01-sticky-comment",
     "patternBaseName": "sticky-comment",
     "patternLink": "02-organisms-02-comments-01-sticky-comment/02-organisms-02-comments-01-sticky-comment.html",
@@ -40,6 +41,7 @@ function patternlabClosure() {
         "relPath": "01-molecules/06-components/02-single-comment.mustache",
         "fileName": "02-single-comment",
         "subdir": "01-molecules/06-components",
+        "verbosePartial": "01-molecules/06-components/02-single-comment",
         "name": "01-molecules-06-components-02-single-comment",
         "patternBaseName": "single-comment",
         "patternLink": "01-molecules-06-components-02-single-comment/01-molecules-06-components-02-single-comment.html",