diff --git a/src/main/java/org/adoptopenjdk/jitwatch/suggestion/AttributeSuggestionWalker.java b/src/main/java/org/adoptopenjdk/jitwatch/suggestion/AttributeSuggestionWalker.java
index 29a7e839..1a86c6d2 100644
--- a/src/main/java/org/adoptopenjdk/jitwatch/suggestion/AttributeSuggestionWalker.java
+++ b/src/main/java/org/adoptopenjdk/jitwatch/suggestion/AttributeSuggestionWalker.java
@@ -207,7 +207,9 @@ private void processParseTag(Tag parseTag, IMetaMember caller, IParseDictionary
 			{
 				String callerID = attrs.get(ATTR_METHOD);
 				IMetaMember nestedCaller = ParseUtil.lookupMember(callerID, parseDictionary, model);
-				processParseTag(child, nestedCaller, parseDictionary);
+				if (nestedCaller != null) {
+					processParseTag(child, nestedCaller, parseDictionary);
+				}
 			}
 
 			default: