diff --git a/src/main/java/fr/inria/astor/core/solutionsearch/AstorCoreEngine.java b/src/main/java/fr/inria/astor/core/solutionsearch/AstorCoreEngine.java
index ed4e311bf..5295c5812 100644
--- a/src/main/java/fr/inria/astor/core/solutionsearch/AstorCoreEngine.java
+++ b/src/main/java/fr/inria/astor/core/solutionsearch/AstorCoreEngine.java
@@ -253,7 +253,7 @@ public ExecutionResult atEnd() {
 			}
 			if (!ConfigurationProperties.getPropertyBool("saveall")) {
 				projectFacade.cleanMutationResultDirectories(ProgramVariant.DEFAULT_ORIGINAL_VARIANT);
-				projectFacade.cleanMutationResultSourceDirectories(ProgramVariant.DEFAULT_ORIGINAL_VARIANT + PatchDiffCalculator.DIFF_SUFFIX);
+				projectFacade.cleanMutationResultDirectories(ProgramVariant.DEFAULT_ORIGINAL_VARIANT + PatchDiffCalculator.DIFF_SUFFIX);
 			}
 		} catch (Exception e1) {
 			e1.printStackTrace();