diff --git a/src/main/java/reproducer/ResultManager.java b/src/main/java/reproducer/ResultManager.java
index 30dcd7e41296..14bd44f01912 100644
--- a/src/main/java/reproducer/ResultManager.java
+++ b/src/main/java/reproducer/ResultManager.java
@@ -267,7 +267,7 @@ private UpdatedFileType extractDependencies(BreakingUpdate bu, String postContai
                 byte[] fileContent = dependencyStream.readAllBytes();
                 Files.write(dir.resolve(fileName), fileContent);
                 // Push the saved old jar/pom file to the cache repo.
-                String jarName = "%s_%s_%s__prev.%s".formatted(bu.updatedDependency.dependencyGroupID, bu.updatedDependency
+                String jarName = "%s__%s__%s___prev.%s".formatted(bu.updatedDependency.dependencyGroupID, bu.updatedDependency
                         .dependencyArtifactID, bu.updatedDependency.previousVersion, type);
                 pushFiles(bu.breakingCommit, jarName, fileContent);
             } catch (NotFoundException e) {
@@ -295,7 +295,7 @@ private UpdatedFileType extractDependencies(BreakingUpdate bu, String postContai
                 byte[] fileContent = dependencyStream.readAllBytes();
                 Path filePath = Files.write(dir.resolve(fileName), fileContent);
                 // Push the saved new jar/pom file to the cache repo.
-                String jarName = "%s_%s_%s__new.%s".formatted(bu.updatedDependency.dependencyGroupID, bu.updatedDependency
+                String jarName = "%s__%s__%s___new.%s".formatted(bu.updatedDependency.dependencyGroupID, bu.updatedDependency
                         .dependencyArtifactID, bu.updatedDependency.newVersion, type);
                 pushFiles(bu.breakingCommit, jarName, fileContent);
                 return updateType;