diff --git a/CHANGELOG.md b/CHANGELOG.md
index c15be628..0481be44 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,9 @@ and this project adheres to
 - `MemoryWritable` internal buffer size is now limited to 8 MB by default.
 - Signature of `callerFilepath()` to allow passing `RegExp` as depth to be used
   for filtering of stack frames.
+- Contract of `sortComparePriority()` to only accept a priority array, which
+  was the first argument before the change, and return a comparison function
+  accepting the other two arguments.
 
 ### Fixed
 
diff --git a/README.md b/README.md
index ec080480..259cb103 100644
--- a/README.md
+++ b/README.md
@@ -185,7 +185,7 @@ $ npm install @metarhia/common
   - [Pool.prototype.constructor](#poolprototypeconstructorfactory--null)
   - [Pool.prototype.get](#poolprototypeget)
   - [Pool.prototype.put](#poolprototypeputvalue)
-- [sortComparePriority](#sortcompareprioritypriority-s1-s2)
+- [sortComparePriority](#sortcompareprioritypriority)
 - [sortCompareDirectories](#sortcomparedirectoriesa-b)
 - [sortCompareByName](#sortcomparebynamea-b)
 - [MemoryWritable](#class-memorywritable-extends-writable)
@@ -1247,20 +1247,23 @@ Mixin for ES6 classes without overriding existing methods
 
 #### Pool.prototype.put(value)
 
-### sortComparePriority(priority, s1, s2)
+### sortComparePriority(priority)
 
 - `priority`: [`<string[]>`][string] with priority
+
+_Returns:_ [`<Function>`][function] comparison function that can be passed to
+`Array#sort()`
+
 - `s1`: [`<string>`][string] to compare
 - `s2`: [`<string>`][string] to compare
-
-_Returns:_ [`<number>`][number]
+- _Returns:_ [`<number>`][number]
 
 Compare for array.sort with priority
 
 _Example:_
 
 ```js
-files.sort(common.sortComparePriority);
+files.sort(common.sortComparePriority(priority));
 ```
 
 ### sortCompareDirectories(a, b)
diff --git a/lib/sort.js b/lib/sort.js
index 2b9efa25..748232dc 100644
--- a/lib/sort.js
+++ b/lib/sort.js
@@ -2,12 +2,14 @@
 
 // Compare for array.sort with priority
 //   priority - <string[]>, with priority
+// Returns: <Function>, comparison function that can be passed to
+//     `Array#sort()`
 //   s1 - <string>, to compare
 //   s2 - <string>, to compare
-// Returns: <number>
+//   Returns: <number>
 //
-// Example: files.sort(common.sortComparePriority)
-const sortComparePriority = (priority, s1, s2) => {
+// Example: files.sort(common.sortComparePriority(priority))
+const sortComparePriority = priority => (s1, s2) => {
   let a = priority.indexOf(s1);
   let b = priority.indexOf(s2);
   if (a === -1) a = Infinity;
diff --git a/test/sort.js b/test/sort.js
index c0b322e2..8e85c951 100644
--- a/test/sort.js
+++ b/test/sort.js
@@ -21,19 +21,21 @@ const CONFIG_FILES_PRIORITY = [
   'routes.js',
 ];
 
+const compareFunction = common.sortComparePriority(CONFIG_FILES_PRIORITY);
+
 metatests.case(
   'Common / sort',
-  { common },
+  { common, sortComparePriority: compareFunction },
   {
-    'common.sortComparePriority': [
-      [CONFIG_FILES_PRIORITY, 'files.js', 'sandbox.js', 1],
-      [CONFIG_FILES_PRIORITY, 'filestorage.js', 'routes.js', -1],
-      [CONFIG_FILES_PRIORITY, 'unknown.js', 'sandbox.js', 1],
-      [CONFIG_FILES_PRIORITY, 'log.js', 'sandbox.js', 1],
-      [CONFIG_FILES_PRIORITY, 'sandbox.js', 'sandbox.js', 0],
-      [CONFIG_FILES_PRIORITY, 'log.js', 'log.js', 0],
-      [CONFIG_FILES_PRIORITY, 'tasks.js', 'application.js', -1],
-      [CONFIG_FILES_PRIORITY, 'tasks.js', 'missing_file', -1],
+    sortComparePriority: [
+      ['files.js', 'sandbox.js', 1],
+      ['filestorage.js', 'routes.js', -1],
+      ['unknown.js', 'sandbox.js', 1],
+      ['log.js', 'sandbox.js', 1],
+      ['sandbox.js', 'sandbox.js', 0],
+      ['log.js', 'log.js', 0],
+      ['tasks.js', 'application.js', -1],
+      ['tasks.js', 'missing_file', -1],
     ],
     'common.sortCompareDirectories': [
       [{ name: '/abc' }, { name: 'abc.ext' }, -1],