diff --git a/libraries.module b/libraries.module
index 90a2ea1..13cb540 100644
--- a/libraries.module
+++ b/libraries.module
@@ -21,7 +21,7 @@ function libraries_flush_caches() {
  *   Whether to prefix the resulting path with base_path().
  *
  * @return
- *   The path to the specified library.
+ *   The path to the specified library or FALSE if the library wasn't found.
  *
  * @ingroup libraries
  */
@@ -34,9 +34,7 @@ function libraries_get_path($name, $base_path = FALSE) {
 
   $path = ($base_path ? base_path() : '');
   if (!isset($libraries[$name])) {
-    // Most often, external libraries can be shared across multiple sites, so
-    // we return sites/all/libraries as the default path.
-    $path .= 'sites/all/libraries/' . $name;
+    return FALSE;
   }
   else {
     $path .= $libraries[$name];