diff --git a/src/printer.js b/src/printer.js
index 515599be..896c1a38 100644
--- a/src/printer.js
+++ b/src/printer.js
@@ -2594,6 +2594,7 @@ function genericPrintNoParens(path, options, print, args) {
         n.attribute,
         n.operator ? n.operator : "",
         n.value ? n.value : "",
+        n.insensitive ? " i" : "",
         "]"
       ]);
     }
diff --git a/tests/css_attribute/__snapshots__/jsfmt.spec.js.snap b/tests/css_attribute/__snapshots__/jsfmt.spec.js.snap
new file mode 100644
index 00000000..195ea5ce
--- /dev/null
+++ b/tests/css_attribute/__snapshots__/jsfmt.spec.js.snap
@@ -0,0 +1,10 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`insensitive.css 1`] = `
+input[type="radio" i] {
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+input[type="radio" i] {
+}
+
+`;
diff --git a/tests/css_attribute/insensitive.css b/tests/css_attribute/insensitive.css
new file mode 100644
index 00000000..c3fce765
--- /dev/null
+++ b/tests/css_attribute/insensitive.css
@@ -0,0 +1,2 @@
+input[type="radio" i] {
+}
diff --git a/tests/css_attribute/jsfmt.spec.js b/tests/css_attribute/jsfmt.spec.js
new file mode 100644
index 00000000..a7d303b6
--- /dev/null
+++ b/tests/css_attribute/jsfmt.spec.js
@@ -0,0 +1 @@
+run_spec(__dirname, { parser: "postcss" });