diff --git a/mdoc/src/main/scala/mdoc/internal/io/ConsoleReporter.scala b/mdoc/src/main/scala/mdoc/internal/io/ConsoleReporter.scala
index 6daffddcb..3b28331ad 100644
--- a/mdoc/src/main/scala/mdoc/internal/io/ConsoleReporter.scala
+++ b/mdoc/src/main/scala/mdoc/internal/io/ConsoleReporter.scala
@@ -1,11 +1,14 @@
 package mdoc.internal.io
 
+import coursierapi.Logger
+import fansi.ErrorMode
+import fansi.Str
+import mdoc.Reporter
+import mdoc.internal.pos.PositionSyntax._
+
 import java.io.PrintStream
 import java.util.concurrent.atomic.AtomicBoolean
 import scala.meta.Position
-import mdoc.Reporter
-import mdoc.internal.pos.PositionSyntax._
-import coursierapi.Logger
 
 class ConsoleReporter(
     ps: PrintStream,
@@ -49,24 +52,24 @@ class ConsoleReporter(
   }
   def error(msg: String): Unit = {
     myErrors += 1
-    ps.println(myError ++ s": $msg")
+    ps.println(myError ++ Str(s": $msg", ErrorMode.Strip))
   }
   def warning(pos: Position, msg: String): Unit = {
     warning(formatMessage(pos.toUnslicedPosition, "warning", msg))
   }
   def warning(msg: String): Unit = {
     myWarnings += 1
-    ps.println(myWarning ++ s": $msg")
+    ps.println(myWarning ++ Str(s": $msg", ErrorMode.Strip))
   }
   def info(pos: Position, msg: String): Unit = {
     info(formatMessage(pos.toUnslicedPosition, "info", msg))
   }
   def info(msg: String): Unit = {
-    ps.println(myInfo ++ s": $msg")
+    ps.println(myInfo ++ Str(s": $msg", ErrorMode.Strip))
   }
   def debug(msg: => String): Unit = {
     if (isDebugEnabled.get()) {
-      ps.println(myDebug ++ s": $msg")
+      ps.println(myDebug ++ Str(s": $msg", ErrorMode.Strip))
     }
   }
 
diff --git a/tests/unit/src/main/scala/tests/cli/CliSuite.scala b/tests/unit/src/test/scala/tests/cli/CliSuite.scala
similarity index 87%
rename from tests/unit/src/main/scala/tests/cli/CliSuite.scala
rename to tests/unit/src/test/scala/tests/cli/CliSuite.scala
index bcbf74474..cf24c1e8d 100644
--- a/tests/unit/src/main/scala/tests/cli/CliSuite.scala
+++ b/tests/unit/src/test/scala/tests/cli/CliSuite.scala
@@ -3,6 +3,7 @@ package tests.cli
 import java.nio.file.Files
 import scala.meta.io.AbsolutePath
 import java.nio.file.Paths
+import tests.markdown.Compat
 
 class CliSuite extends BaseCliSuite {
 
@@ -25,6 +26,43 @@ class CliSuite extends BaseCliSuite {
     """.stripMargin
   )
 
+  if (!Compat.isScala212)
+    checkCli(
+      "fansi-error",
+      s"""
+         |/index.md
+         |```scala mdoc
+         |val a : "\u001b[2m" = ""
+         |```
+    """.stripMargin,
+      "".stripMargin,
+      expectedExitCode = 1,
+      onStdout = { out =>
+        if (Compat.isScala3)
+          assertNoDiff(
+            out,
+            """|info: Compiling 1 file to <output>
+               |error: index.md:2:18: 
+               |Found:    ("" : String)
+               |Required: ("/u001b[2m" : String)
+               |val a : "" = ""
+               |                 ^^
+               |""".stripMargin
+          )
+        else
+          assertNoDiff(
+            out,
+            """|info: Compiling 1 file to <output>
+               |error: index.md:2:18: type mismatch;
+               | found   : String("")
+               | required: "/u001B[2m"
+               |val a : "" = ""
+               |                 ^^
+               |""".stripMargin
+          )
+      }
+    )
+
   checkCli(
     "classpath",
     """