diff --git a/HISTORY.md b/HISTORY.md
index bbb96211f4..bd9740520d 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -5,6 +5,7 @@
 
 - Fix #3163: `toTex` wrongly returning `Infinity` for large BigNumbers.
 - Fix #3162: add license information about CSParse (#3164).
+- Fix: faster startup time of the CLI and REPL by loading the bundle.
 
 
 # 2024-02-22, 12.4.0
diff --git a/bin/cli.js b/bin/cli.js
index c1b7a48e16..664f6a640e 100755
--- a/bin/cli.js
+++ b/bin/cli.js
@@ -59,7 +59,7 @@ const PRECISION = 14 // decimals
  * @return {*}
  */
 function getMath () {
-  return require('../lib/cjs/defaultInstance.js').default
+  return require('../lib/browser/math.js')
 }
 
 /**
diff --git a/bin/repl.js b/bin/repl.js
index 21c9b1164a..9ad06fef0a 100755
--- a/bin/repl.js
+++ b/bin/repl.js
@@ -4,7 +4,7 @@
  * This simply preloads mathjs and drops you into a REPL to
  * help interactive debugging.
  **/
-global.math = require('../lib/cjs/defaultInstance.js').default
+global.math = require('../lib/browser/math.js')
 const repl = require('repl')
 
 repl.start({ useGlobal: true })