diff --git a/src/main/java/sbt_inc/SbtIncrementalCompiler.java b/src/main/java/sbt_inc/SbtIncrementalCompiler.java
index 49c5dcfc..11f6ce64 100644
--- a/src/main/java/sbt_inc/SbtIncrementalCompiler.java
+++ b/src/main/java/sbt_inc/SbtIncrementalCompiler.java
@@ -169,7 +169,7 @@ public void compile(
             pos -> pos, // sourcePositionMappers
             compileOrder, // order
             Optional.empty(), // temporaryClassesDirectory
-            Optional.of(PlainVirtualFileConverter.converter()), // _converter
+            Optional.empty(), // _converter
             Optional.empty(), // _stamper
             Optional.empty() // _earlyOutput
             );