diff --git a/lib/main.js b/lib/main.js
index 2e347d0..298dd1b 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -20,7 +20,7 @@
 
 // MODULES //
 
-var format = require( '@stdlib/string-format' );
+var format = require( '@stdlib/error-tools-fmtprodmsg' );
 
 
 // MAIN //
@@ -176,7 +176,7 @@ function sub2ind() {
 				j += m;
 			}
 			if ( j < 0 || j >= m ) {
-				throw new RangeError( format( 'invalid argument. Subscripts must not exceed array dimensions. Subscript: `%u`. Value: `%d`.', i, j ) );
+				throw new RangeError( format( '0jX5J', i, j ) );
 			}
 		}
 		s = strides[ i ];
diff --git a/package.json b/package.json
index 6b2705c..7d8add9 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   },
   "dependencies": {
     "@stdlib/ndarray-index-modes": "^0.2.2",
-    "@stdlib/string-format": "^0.2.2",
+    "@stdlib/error-tools-fmtprodmsg": "^0.2.2",
     "@stdlib/types": "^0.4.3",
     "@stdlib/utils-library-manifest": "^0.2.2",
     "@stdlib/error-tools-fmtprodmsg": "^0.2.2"