diff --git a/jadx-core/src/main/java/jadx/core/dex/visitors/typeinference/TypeUpdate.java b/jadx-core/src/main/java/jadx/core/dex/visitors/typeinference/TypeUpdate.java
index b0c1412cf22..794c529c6be 100644
--- a/jadx-core/src/main/java/jadx/core/dex/visitors/typeinference/TypeUpdate.java
+++ b/jadx-core/src/main/java/jadx/core/dex/visitors/typeinference/TypeUpdate.java
@@ -151,6 +151,12 @@ private TypeUpdateResult requestUpdate(TypeUpdateInfo updateInfo, InsnArg arg, A
 			return CHANGED;
 		}
 		updateInfo.requestUpdate(arg, candidateType);
+		if (updateInfo.getUpdates().size() > 500) {
+			if (Consts.DEBUG) {
+				LOG.error("Type update error: too deep update tree");
+			}
+			return REJECT;
+		}
 		try {
 			TypeUpdateResult result = runListeners(updateInfo, arg, candidateType);
 			if (result == REJECT) {