diff --git a/src/index.js b/src/index.js
index 4b47a5e..e327a47 100644
--- a/src/index.js
+++ b/src/index.js
@@ -8,7 +8,9 @@ module.exports = {
 
         const result = [];
         const docs = text.match(GOOGLE_DOCS_REGEXP);
-        result.push(...docs);
+        if (docs) {
+            result.push(...docs);
+        }
         return result;
     }
 };
diff --git a/test/index.test.js b/test/index.test.js
index 49f4fe1..0000fdf 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -19,6 +19,17 @@ it('should inform that non-string is passed', () => {
     }).toThrowError();
 });
 
+it('should return empty collection when string not contain matched url', () => {
+    const input = find(
+        `
+        Wlazł kotek na płotek
+        `
+    );
+    const output = [];
+
+    expect(input).toEqual(output);
+});
+
 it('should find one link', () => {
     const input = find(
         `