diff --git a/platform/util/src/com/intellij/util/containers/ContainerUtil.java b/platform/util/src/com/intellij/util/containers/ContainerUtil.java
index 2d8dd438a358..fb0b9df31a81 100644
--- a/platform/util/src/com/intellij/util/containers/ContainerUtil.java
+++ b/platform/util/src/com/intellij/util/containers/ContainerUtil.java
@@ -794,7 +794,7 @@ public class ContainerUtil {
     }
   }
 
-  public static <K, V> void putIfNotNull(final K key, final V value, @NotNull final Map<K, V> result) {
+  public static <K, V> void putIfNotNull(final K key, @Nullable V value, @NotNull final Map<K, V> result) {
     if (value != null) {
       result.put(key, value);
     }