diff --git a/.eslintrc b/.eslintrc
index d4840579..ed177845 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -9,6 +9,10 @@
     },
     "rules": {
         "comma-dangle": ["error", "never"],
+        "comma-spacing": [2, {
+            "before": false,
+            "after": true,
+        }],
         "indent": ["error", 4],
         "key-spacing": "error",
         "quotes": ["error", "single", {
diff --git a/example/array.js b/example/array.js
index 8b998041..cb17d42b 100644
--- a/example/array.js
+++ b/example/array.js
@@ -25,7 +25,7 @@ test('array', function (t) {
         [ [ 1, 2, [ 3, 4 ] ], [ 5, 6 ] ]
     ];
 
-    Function(['fn','g'], output)(
+    Function(['fn', 'g'], output)(
         function (xs) {
             t.same(arrays.shift(), xs);
             return xs;
diff --git a/example/fail.js b/example/fail.js
index 28c6ac71..4373c76b 100644
--- a/example/fail.js
+++ b/example/fail.js
@@ -25,7 +25,7 @@ test('array', function (t) {
         [ [ 1, 2, [ 3, 4 ] ], [ 5, 6 ] ]
     ];
 
-    Function(['fn','g'], output)(
+    Function(['fn', 'g'], output)(
         function (xs) {
             t.same(arrays.shift(), xs);
             return xs;
diff --git a/example/nested_fail.js b/example/nested_fail.js
index 8013a48d..44ea3fd1 100644
--- a/example/nested_fail.js
+++ b/example/nested_fail.js
@@ -34,7 +34,7 @@ test('nested array test', function (t) {
         [ [ 1, 2, [ 3, 4 ] ], [ 5, 6 ] ]
     ];
 
-    Function(['fn','g'], output)(
+    Function(['fn', 'g'], output)(
         function (xs) {
             t.same(arrays.shift(), xs);
             return xs;
diff --git a/example/too_many_fail.js b/example/too_many_fail.js
index e5780be0..e374008f 100644
--- a/example/too_many_fail.js
+++ b/example/too_many_fail.js
@@ -25,7 +25,7 @@ test('array', function (t) {
         [ [ 1, 2, [ 3, 4 ] ], [ 5, 6 ] ]
     ];
 
-    Function(['fn','g'], output)(
+    Function(['fn', 'g'], output)(
         function (xs) {
             t.same(arrays.shift(), xs);
             return xs;
diff --git a/test/array.js b/test/array.js
index 7a27038a..502b3f97 100644
--- a/test/array.js
+++ b/test/array.js
@@ -50,7 +50,7 @@ tap.test('array test', function (tt) {
             [ [ 1, 2, [ 3, 4 ] ], [ 5, 6 ] ]
         ];
 
-        Function(['fn','g'], output)(
+        Function(['fn', 'g'], output)(
             function (xs) {
                 t.same(arrays.shift(), xs);
                 return xs;
diff --git a/test/browser/asserts.js b/test/browser/asserts.js
index 77611f56..690597ca 100644
--- a/test/browser/asserts.js
+++ b/test/browser/asserts.js
@@ -6,6 +6,6 @@ test(function (t) {
     t.plan(4);
     t.ok(true);
     t.equal(3, 1+2);
-    t.deepEqual([1,2,[3,4]], [1,2,[3,4]]);
-    t.notDeepEqual([1,2,[3,4,5]], [1,2,[3,4]]);
+    t.deepEqual([1, 2, [3, 4]], [1, 2, [3, 4]]);
+    t.notDeepEqual([1, 2, [3, 4, 5]], [1, 2, [3, 4]]);
 });
diff --git a/test/exit/fail.js b/test/exit/fail.js
index a976d4ce..45fc1789 100644
--- a/test/exit/fail.js
+++ b/test/exit/fail.js
@@ -25,7 +25,7 @@ test('array', function (t) {
         [ [ 1, 2, [ 3, 4 ] ], [ 5, 6 ] ]
     ];
 
-    Function(['fn','g'], output)(
+    Function(['fn', 'g'], output)(
         function (xs) {
             t.same(arrays.shift(), xs);
             return xs;
diff --git a/test/exit/ok.js b/test/exit/ok.js
index 084692f5..1c68c15e 100644
--- a/test/exit/ok.js
+++ b/test/exit/ok.js
@@ -26,7 +26,7 @@ test('array', function (t) {
         [ [ 1, 2, [ 3, 4 ] ], [ 5, 6 ] ]
     ];
 
-    Function(['fn','g'], output)(
+    Function(['fn', 'g'], output)(
         function (xs) {
             t.same(arrays.shift(), xs);
             return xs;
diff --git a/test/exit/too_few.js b/test/exit/too_few.js
index d92fe5c1..cd347e54 100644
--- a/test/exit/too_few.js
+++ b/test/exit/too_few.js
@@ -25,7 +25,7 @@ test('array', function (t) {
         [ [ 1, 2, [ 3, 4 ] ], [ 5, 6 ] ]
     ];
 
-    Function(['fn','g'], output)(
+    Function(['fn', 'g'], output)(
         function (xs) {
             t.same(arrays.shift(), xs);
             return xs;
diff --git a/test/fail.js b/test/fail.js
index c5dab576..78642c84 100644
--- a/test/fail.js
+++ b/test/fail.js
@@ -67,7 +67,7 @@ tap.test('array test', function (tt) {
             [ [ 1, 2, [ 3, 4 ] ], [ 5, 6 ] ]
         ];
 
-        Function(['fn','g'], output)(
+        Function(['fn', 'g'], output)(
             function (xs) {
                 t.same(arrays.shift(), xs);
                 return xs;
diff --git a/test/nested.js b/test/nested.js
index d86e94cd..2dd19583 100644
--- a/test/nested.js
+++ b/test/nested.js
@@ -65,7 +65,7 @@ tap.test('array test', function (tt) {
             [ [ 1, 2, [ 3, 4 ] ], [ 5, 6 ] ]
         ];
 
-        Function(['fn','g'], output)(
+        Function(['fn', 'g'], output)(
             function (xs) {
                 t.same(arrays.shift(), xs);
                 return xs;
diff --git a/test/too_many.js b/test/too_many.js
index 530ceb2a..f6ba5582 100644
--- a/test/too_many.js
+++ b/test/too_many.js
@@ -68,7 +68,7 @@ tap.test('array test', function (tt) {
             [ [ 1, 2, [ 3, 4 ] ], [ 5, 6 ] ]
         ];
 
-        Function(['fn','g'], output)(
+        Function(['fn', 'g'], output)(
             function (xs) {
                 t.same(arrays.shift(), xs);
                 return xs;