diff --git a/src/main/java/org/jetbrains/plugins/spotbugs/core/Bug.java b/src/main/java/org/jetbrains/plugins/spotbugs/core/Bug.java
index 3ad7e192..2a8be0cd 100644
--- a/src/main/java/org/jetbrains/plugins/spotbugs/core/Bug.java
+++ b/src/main/java/org/jetbrains/plugins/spotbugs/core/Bug.java
@@ -89,4 +89,13 @@ public static boolean equalsBugType(@NotNull final Bug bugA, @NotNull final Bug
 		}
 		return true;
 	}
+
+	public static boolean equalsBugClass(@NotNull final Bug bugA, @NotNull final Bug bugB) {
+		final BugInstance a = bugA.getInstance();
+		final BugInstance b = bugB.getInstance();
+		if (!StringUtil.equals(a.getPrimaryClass().getClassName(), b.getPrimaryClass().getClassName())) {
+			return false;
+		}
+		return true;
+	}
 }
diff --git a/src/main/java/org/jetbrains/plugins/spotbugs/gui/tree/RecurseNodeVisitor.java b/src/main/java/org/jetbrains/plugins/spotbugs/gui/tree/RecurseNodeVisitor.java
index 2af3318d..f5eb6f2f 100644
--- a/src/main/java/org/jetbrains/plugins/spotbugs/gui/tree/RecurseNodeVisitor.java
+++ b/src/main/java/org/jetbrains/plugins/spotbugs/gui/tree/RecurseNodeVisitor.java
@@ -57,7 +57,7 @@ public BugInstanceGroupNode findChildNode(final RecurseVisitCriteria recurseVisi
 
 	@Override
 	public void visitGroupNode(@NotNull final BugInstanceGroupNode node) {
-		if (Bug.equalsBugType(_recurseVisitCriteria.getBug(), node.getBug()) && _recurseVisitCriteria.getDepth() == node.getDepth() && _recurseVisitCriteria.getGroupName().equals(node.getGroupName())) {
+		if (Bug.equalsBugType(_recurseVisitCriteria.getBug(), node.getBug()) && Bug.equalsBugClass(_recurseVisitCriteria.getBug(), node.getBug()) && _recurseVisitCriteria.getDepth() == node.getDepth() && _recurseVisitCriteria.getGroupName().equals(node.getGroupName())) {
 			_resultNode = node;
 		} else {
 			_resultNode = node.findChildNode(_recurseVisitCriteria.getBug(), _recurseVisitCriteria.getDepth(), _recurseVisitCriteria.getGroupName());
diff --git a/src/main/java/org/jetbrains/plugins/spotbugs/gui/tree/model/BugInstanceGroupNode.java b/src/main/java/org/jetbrains/plugins/spotbugs/gui/tree/model/BugInstanceGroupNode.java
index ab8f315a..6c855038 100644
--- a/src/main/java/org/jetbrains/plugins/spotbugs/gui/tree/model/BugInstanceGroupNode.java
+++ b/src/main/java/org/jetbrains/plugins/spotbugs/gui/tree/model/BugInstanceGroupNode.java
@@ -97,7 +97,7 @@ public void addChild(final VisitableTreeNode node) {
 
 	@Nullable
 	public BugInstanceGroupNode findChildNode(final Bug bug, final int depth, final String groupName) {
-		if (Bug.equalsBugType(this.bug, bug) && depth == _depthFromRoot && groupName.equals(_groupName)) {
+		if (Bug.equalsBugType(this.bug, bug) && Bug.equalsBugClass(this.bug, bug) && depth == _depthFromRoot && groupName.equals(_groupName)) {
 			return this;
 		}
 		final RecurseVisitCriteria criteria = new RecurseVisitCriteria(bug, depth, groupName);