diff --git a/DiSLProject2022/src-profiler/ex5/Instrumentation.java b/DiSLProject2022/src-profiler/ex5/Instrumentation.java
index 81d5dca..3c44945 100644
--- a/DiSLProject2022/src-profiler/ex5/Instrumentation.java
+++ b/DiSLProject2022/src-profiler/ex5/Instrumentation.java
@@ -18,7 +18,6 @@ public class Instrumentation {
         Profiler.addUnsafeAllocation();
     }
 
-
     @Before(marker = BodyMarker.class, scope = "sun.misc.Unsafe.allocateInstance")
     static void handleUnsafeAllocationsPraiseTheSun() {
         Profiler.addUnsafeAllocation();
diff --git a/DiSLProject2022/src-profiler/ex9/Profiler.java b/DiSLProject2022/src-profiler/ex9/Profiler.java
index 7157950..c0e85a2 100644
--- a/DiSLProject2022/src-profiler/ex9/Profiler.java
+++ b/DiSLProject2022/src-profiler/ex9/Profiler.java
@@ -6,7 +6,7 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 
 public final class Profiler {
-    private static final ConcurrentMap<String, List<String>> callLog = new ConcurrentHashMap<>();
+    private static final ConcurrentMap<Thread, List<String>> callLog = new ConcurrentHashMap<>();
 
     static {
         Runtime.getRuntime().addShutdownHook(new Thread(Profiler::print));
@@ -16,16 +16,16 @@ public final class Profiler {
     }
 
     public static void logCall(final Thread thread, final String methodName) {
-        final List<String> list = callLog.computeIfAbsent(thread.getName(), ignored -> new LinkedList<>());
+        final List<String> list = callLog.computeIfAbsent(thread, ignored -> new LinkedList<>());
 
         // thread safe, as once a thread accesses its own list access to said list is non-concurrent
         list.add(methodName);
     }
 
     private static void print() {
-        for (final String threadName : callLog.keySet()) {
-            System.out.printf("=== %s ===\n", threadName);
-            callLog.get(threadName).forEach(System.out::println);
+        for (final Thread thread : callLog.keySet()) {
+            System.out.printf("=== %s ===\n", thread.getName());
+            callLog.get(thread).forEach(System.out::println);
         }
     }
 }