diff --git a/src/Filters/Slugify.js b/src/Filters/Slugify.js
index 033f1868a..5bb4f1fcc 100644
--- a/src/Filters/Slugify.js
+++ b/src/Filters/Slugify.js
@@ -1,5 +1,7 @@
 const slugify = require("@sindresorhus/slugify");
 
 module.exports = function(str, options = {}) {
-  return slugify(str, options);
+  return slugify(str, Object.assign({
+    decamelize: false
+  }, options));
 };
diff --git a/test/TemplateTest_Permalink.js b/test/TemplateTest_Permalink.js
index 6f27e7246..1ce3729d0 100644
--- a/test/TemplateTest_Permalink.js
+++ b/test/TemplateTest_Permalink.js
@@ -200,7 +200,7 @@ test("Using slugify filter!", async (t) => {
   t.is(await tmpl.getOutputPath(), "./dist/subdir/slug-love-candidate-lyublyu/index.html");
 });
 
-test("Using slugify filter with comma", async (t) => {
+test("Using slugify filter with comma and apostrophe", async (t) => {
   let tmpl = getNewTemplate(
     "./test/slugify-filter/comma.njk",
     "./test/slugify-filter/",
@@ -209,3 +209,23 @@ test("Using slugify filter with comma", async (t) => {
 
   t.is(await tmpl.getOutputPath(), "./dist/subdir/hi-i-m-zach/index.html");
 });
+
+test("Using slug filter with options params", async (t) => {
+  let tmpl = getNewTemplate(
+    "./test/slugify-filter/slug-options.njk",
+    "./test/slugify-filter/",
+    "./dist"
+  );
+
+  t.is(await tmpl.getOutputPath(), "./dist/subdir/hi_i_am_zach/index.html");
+});
+
+test("Using slugify filter with options params", async (t) => {
+  let tmpl = getNewTemplate(
+    "./test/slugify-filter/slugify-options.njk",
+    "./test/slugify-filter/",
+    "./dist"
+  );
+
+  t.is(await tmpl.getOutputPath(), "./dist/subdir/hi-i-m-z-ach/index.html");
+});
diff --git a/test/slugify-filter/comma.njk b/test/slugify-filter/comma.njk
index 051808553..fd3a31fca 100644
--- a/test/slugify-filter/comma.njk
+++ b/test/slugify-filter/comma.njk
@@ -1,5 +1,5 @@
 ---
-title: "Hi, I'm Zach"
+title: "Hi, I'm ZAch"
 permalink: subdir/{{ title | slugify }}/index.html
 ---
 Slugged.
diff --git a/test/slugify-filter/slug-options.njk b/test/slugify-filter/slug-options.njk
new file mode 100644
index 000000000..543d5a6d2
--- /dev/null
+++ b/test/slugify-filter/slug-options.njk
@@ -0,0 +1,5 @@
+---
+title: "Hi, I am ZAch"
+permalink: "subdir/{{ title | slug({replacement:'_'}) }}/index.html"
+---
+Slugged.
diff --git a/test/slugify-filter/slugify-options.njk b/test/slugify-filter/slugify-options.njk
new file mode 100644
index 000000000..c958c1874
--- /dev/null
+++ b/test/slugify-filter/slugify-options.njk
@@ -0,0 +1,5 @@
+---
+title: "Hi, I'm ZAch"
+permalink: "subdir/{{ title | slugify({decamelize: true}) }}/index.html"
+---
+Slugged.