diff --git a/compiler/src/dotty/tools/dotc/typer/Inliner.scala b/compiler/src/dotty/tools/dotc/typer/Inliner.scala
index 2068b9102899..cab9f397d507 100644
--- a/compiler/src/dotty/tools/dotc/typer/Inliner.scala
+++ b/compiler/src/dotty/tools/dotc/typer/Inliner.scala
@@ -379,7 +379,8 @@ object Inliner {
 
     /** Expand call to scala.compiletime.codeOf */
     def codeOf(arg: Tree, pos: SrcPos)(using Context): Tree =
-      Literal(Constant(arg.show)).withSpan(pos.span)
+      val ctx1 = ctx.fresh.setSetting(ctx.settings.color, "never")
+      Literal(Constant(arg.show(using ctx1))).withSpan(pos.span)
   }
 
   extension (tp: Type) {
diff --git a/compiler/test-resources/repl/i13181 b/compiler/test-resources/repl/i13181
new file mode 100644
index 000000000000..32f6c6e40c1e
--- /dev/null
+++ b/compiler/test-resources/repl/i13181
@@ -0,0 +1,2 @@
+scala> scala.compiletime.codeOf(1+2)
+val res0: String = 1.+(2)
diff --git a/tests/run/i13181.scala b/tests/run/i13181.scala
new file mode 100644
index 000000000000..a6693b3f68e4
--- /dev/null
+++ b/tests/run/i13181.scala
@@ -0,0 +1 @@
+@main def Test = assert(scala.compiletime.codeOf(1+2) == "1.+(2)")