diff --git a/tools/compile-results/src/main/java/moobench/tools/compile/results/CompileResultsMain.java b/tools/compile-results/src/main/java/moobench/tools/compile/results/CompileResultsMain.java
index f5e0864f71bc2141d2aa7924e907f15c40ec60b0..f1825c8df9d7d22de4ec3fc1353dfd85462ca64b 100644
--- a/tools/compile-results/src/main/java/moobench/tools/compile/results/CompileResultsMain.java
+++ b/tools/compile-results/src/main/java/moobench/tools/compile/results/CompileResultsMain.java
@@ -59,13 +59,10 @@ public class CompileResultsMain {
 				rootNode = readJsonString();
 			}
 			
-			System.err.println("json " + jsonMainFile);
-			System.err.println("json " + jsonMainFile.getParentFile());
-			System.err.println("json " + jsonMainFile.getParentFile().getPath());
+			String basePath=jsonMainFile.getParentFile()==null?"":jsonMainFile.getParentFile().getPath();
 			
-			
-			File jsonPartialFile = new File(jsonMainFile.getParentFile().getPath() + File.separator + PARTIAL_RESULT_FILENAME);
-			File jsonRelativeFile = new File(jsonMainFile.getParentFile().getPath() + File.separator + RELATIVE_RESULT_FILENAME);
+			File jsonPartialFile = new File(basePath + File.separator + PARTIAL_RESULT_FILENAME);
+			File jsonRelativeFile = new File(basePath + File.separator + RELATIVE_RESULT_FILENAME);
 
 			JsonNode resultsNode = rootNode.get(RESULTS_LABEL);