diff --git a/lodash/lodash-tests.ts b/lodash/lodash-tests.ts
index 35b94040d3..def5a628f7 100644
--- a/lodash/lodash-tests.ts
+++ b/lodash/lodash-tests.ts
@@ -3954,16 +3954,33 @@ result = <string>_('-_-abc-_-').trimRight();
 result = <string>_('-_-abc-_-').trimRight('_-');
 
 // _.trunc
-result = <string>_.trunc('hi-diddly-ho there, neighborino');
-result = <string>_.trunc('hi-diddly-ho there, neighborino', 24);
-result = <string>_.trunc('hi-diddly-ho there, neighborino', { 'length': 24, 'separator': ' ' });
-result = <string>_.trunc('hi-diddly-ho there, neighborino', { 'length': 24, 'separator': /,? +/ });
-result = <string>_.trunc('hi-diddly-ho there, neighborino', { 'omission': ' […]' });
-result = <string>_('hi-diddly-ho there, neighborino').trunc();
-result = <string>_('hi-diddly-ho there, neighborino').trunc(24);
-result = <string>_('hi-diddly-ho there, neighborino').trunc({ 'length': 24, 'separator': ' ' });
-result = <string>_('hi-diddly-ho there, neighborino').trunc({ 'length': 24, 'separator': /,? +/ });
-result = <string>_('hi-diddly-ho there, neighborino').trunc({ 'omission': ' […]' });
+module TestTrunc {
+    {
+        let result: string;
+
+        result = _.trunc('hi-diddly-ho there, neighborino');
+        result = _.trunc('hi-diddly-ho there, neighborino', 24);
+        result = _.trunc('hi-diddly-ho there, neighborino', { 'length': 24, 'separator': ' ' });
+        result = _.trunc('hi-diddly-ho there, neighborino', { 'length': 24, 'separator': /,? +/ });
+        result = _.trunc('hi-diddly-ho there, neighborino', { 'omission': ' […]' });
+
+        result = _('hi-diddly-ho there, neighborino').trunc();
+        result = _('hi-diddly-ho there, neighborino').trunc(24);
+        result = _('hi-diddly-ho there, neighborino').trunc({ 'length': 24, 'separator': ' ' });
+        result = _('hi-diddly-ho there, neighborino').trunc({ 'length': 24, 'separator': /,? +/ });
+        result = _('hi-diddly-ho there, neighborino').trunc({ 'omission': ' […]' });
+    }
+
+    {
+        let result: _.LoDashExplicitWrapper<string>;
+
+        result = _('hi-diddly-ho there, neighborino').chain().trunc();
+        result = _('hi-diddly-ho there, neighborino').chain().trunc(24);
+        result = _('hi-diddly-ho there, neighborino').chain().trunc({ 'length': 24, 'separator': ' ' });
+        result = _('hi-diddly-ho there, neighborino').chain().trunc({ 'length': 24, 'separator': /,? +/ });
+        result = _('hi-diddly-ho there, neighborino').chain().trunc({ 'omission': ' […]' });
+    }
+}
 
 // _.unescape
 result = <string>_.unescape('fred, barney, &amp; pebbles');
diff --git a/lodash/lodash.d.ts b/lodash/lodash.d.ts
index 3ee0959db0..875c61d487 100644
--- a/lodash/lodash.d.ts
+++ b/lodash/lodash.d.ts
@@ -9506,11 +9506,15 @@ declare module _ {
         /**
          * Truncates string if it’s longer than the given maximum string length. The last characters of the truncated
          * string are replaced with the omission string which defaults to "…".
+         *
          * @param string The string to truncate.
          * @param options The options object or maximum string length.
          * @return Returns the truncated string.
          */
-        trunc(string?: string, options?: TruncOptions|number): string;
+        trunc(
+            string?: string,
+            options?: TruncOptions|number
+        ): string;
     }
 
     interface LoDashImplicitWrapper<T> {
@@ -9520,6 +9524,13 @@ declare module _ {
         trunc(options?: TruncOptions|number): string;
     }
 
+    interface LoDashExplicitWrapper<T> {
+        /**
+         * @see _.trunc
+         */
+        trunc(options?: TruncOptions|number): LoDashExplicitWrapper<string>;
+    }
+
     //_.unescape
     interface LoDashStatic {
         /**