diff --git a/processor/src/test/java/org/mapstruct/ap/testutil/runner/CompilingStatement.java b/processor/src/test/java/org/mapstruct/ap/testutil/runner/CompilingStatement.java
index a2904786d..cda744a91 100644
--- a/processor/src/test/java/org/mapstruct/ap/testutil/runner/CompilingStatement.java
+++ b/processor/src/test/java/org/mapstruct/ap/testutil/runner/CompilingStatement.java
@@ -399,6 +399,9 @@ abstract class CompilingStatement extends Statement {
             result.add( asOptionString( option ) );
         }
 
+        // Add all debugging info to class files
+        result.add( "-g:source,lines,vars" );
+
         return result;
     }