diff --git a/lib/detect-dependencies.js b/lib/detect-dependencies.js
index 0037af7..22c53e9 100644
--- a/lib/detect-dependencies.js
+++ b/lib/detect-dependencies.js
@@ -143,36 +143,38 @@ function gatherInfo(config) {
       }
     }
 
-    var mains = findMainFiles(config, component, componentConfigFile);
-    var fileTypes = _.chain(mains).map($.path.extname).unique().value();
+    if (componentConfigFile) {
+      var mains = findMainFiles(config, component, componentConfigFile);
+      var fileTypes = _.chain(mains).map($.path.extname).unique().value();
 
-    dep.main = mains;
-    dep.type = fileTypes;
-    dep.name = componentConfigFile.name;
+      dep.main = mains;
+      dep.type = fileTypes;
+      dep.name = componentConfigFile.name;
 
-    var depIsExcluded = _.find(config.get('exclude'), function (pattern) {
-      return $.path.join(config.get('bower-directory'), component).match(pattern);
-    });
+      var depIsExcluded = _.find(config.get('exclude'), function (pattern) {
+        return $.path.join(config.get('bower-directory'), component).match(pattern);
+      });
 
-    if (dep.main.length === 0 && !depIsExcluded) {
-      // can't find the main file. this config file is useless!
-      warnings.push(component + ' was not injected in your file.');
-      warnings.push(
-        'Please go take a look in "'
-        + $.path.join(config.get('bower-directory'), component)
-        + '" for the file you need, then manually include it in your file.');
+      if (dep.main.length === 0 && !depIsExcluded) {
+        // can't find the main file. this config file is useless!
+        warnings.push(component + ' was not injected in your file.');
+        warnings.push(
+            'Please go take a look in "'
+            + $.path.join(config.get('bower-directory'), component)
+            + '" for the file you need, then manually include it in your file.');
 
-      config.set('warnings', warnings);
-      return;
-    }
+        config.set('warnings', warnings);
+        return;
+      }
 
-    if (componentConfigFile.dependencies) {
-      dep.dependencies = componentConfigFile.dependencies;
+      if (componentConfigFile.dependencies) {
+        dep.dependencies = componentConfigFile.dependencies;
 
-      _.each(componentConfigFile.dependencies, gatherInfo(config));
-    }
+        _.each(componentConfigFile.dependencies, gatherInfo(config));
+      }
 
-    config.get('global-dependencies').set(component, dep);
+      config.get('global-dependencies').set(component, dep);
+    }
   };
 }
 
@@ -277,7 +279,7 @@ var eliteDependencies = [
  * @param  {string} fileType  the type of file to prioritize
  * @return {array} the sorted items of 'path/to/main/files.ext' sorted by type
  */
- function prioritizeDependencies(config, fileType) {
+function prioritizeDependencies(config, fileType) {
   var eliteDependenciesCaught = [];
 
   var dependencies = mergeSort(
@@ -292,7 +294,7 @@ var eliteDependencies = [
           return true;
         }
       })
-    ).map($.propprop('main'));
+  ).map($.propprop('main'));
 
   eliteDependenciesCaught.
     forEach(function (dependency) {
@@ -300,12 +302,12 @@ var eliteDependencies = [
     });
 
   return _
-    (dependencies).
-      flatten().
-      value().
-      filter(function (main) {
-        return $.path.extname(main) === fileType;
-      });
+  (dependencies).
+    flatten().
+    value().
+    filter(function (main) {
+      return $.path.extname(main) === fileType;
+    });
 }