diff --git a/src/main/java/core/basesyntax/Counter.java b/src/main/java/core/basesyntax/Counter.java
index 4af46bd4..66f08f8b 100644
--- a/src/main/java/core/basesyntax/Counter.java
+++ b/src/main/java/core/basesyntax/Counter.java
@@ -12,11 +12,11 @@ public Counter(int value) {
         this.value = value;
     }
 
-    public void decreaseValue() {
+    public synchronized void decreaseValue() {
         logger.info(String.format(MESSAGE,
                 "Before decrementing", Thread.currentThread().getName(), value));
         value--;
         logger.info(String.format(MESSAGE,
-                "After decrementing", Thread.currentThread().getName(), value));
+                " After decrementing", Thread.currentThread().getName(), value));
     }
 }