diff --git a/lib/main.js b/lib/main.js
index 5196c2a..122dd04 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -23,7 +23,7 @@
 var isArray = require( '@stdlib/assert-is-array' );
 var isTypedArrayLike = require( '@stdlib/assert-is-typed-array-like' );
 var isInteger = require( '@stdlib/assert-is-integer' );
-var format = require( '@stdlib/string-format' );
+var format = require( '@stdlib/error-tools-fmtprodmsg' );
 var unshiftArray = require( './unshift_array.js' );
 var unshiftObject = require( './unshift_object.js' );
 var unshiftTypedArray = require( './unshift_typed_array.js' );
@@ -78,7 +78,7 @@ function unshift( collection ) {
 	) {
 		return unshiftObject( collection, items );
 	}
-	throw new TypeError( format( 'invalid argument. First argument must be either an array, typed array, or an array-like object. Value: `%s`.', collection ) );
+	throw new TypeError( format( '1Y9Ai', collection ) );
 }
 
 
diff --git a/package.json b/package.json
index 8f5ad4c..f5cdc36 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "@stdlib/assert-is-integer": "^0.2.2",
     "@stdlib/assert-is-typed-array-like": "^0.2.2",
     "@stdlib/math-base-special-ceil2": "^0.3.0",
-    "@stdlib/string-format": "^0.2.2",
+    "@stdlib/error-tools-fmtprodmsg": "^0.2.2",
     "@stdlib/types": "^0.4.3",
     "@stdlib/error-tools-fmtprodmsg": "^0.2.2"
   },