diff --git a/is.d.ts b/is.d.ts
index fb861f7b401914f0f89cb4edf25c51df5cb05812..82144733cd34d88e2deb2e4713b104418e673f2e 100644
--- a/is.d.ts
+++ b/is.d.ts
@@ -5,6 +5,7 @@ declare namespace is {
   export function macOS(): boolean;
   export function windows(): boolean;
   export function linux(): boolean;
+  export function freebsd(): boolean;
   export function x86(): boolean;
   export function x64(): boolean;
   export function production(): boolean;
diff --git a/is.js b/is.js
index a76bb1755a2728bde185b35d847031d3b8ea4ab0..f6b03406c17342f5af078de069e5bbbd2246e152 100644
--- a/is.js
+++ b/is.js
@@ -39,6 +39,10 @@ module.exports = {
   linux: function () {
     return process.platform === 'linux'
   },
+  // Checks if we are under FreeBSD OS
+  freebsd: function () {
+    return process.platform === "freebsd"
+  },
   // Checks if we are the processor's arch is x86
   x86: function () {
     return process.arch === 'ia32'