diff --git a/springloaded/src/main/java/org/springsource/loaded/agent/SpringLoadedPreProcessor.java b/springloaded/src/main/java/org/springsource/loaded/agent/SpringLoadedPreProcessor.java
index 943c6c2..30ee13b 100644
--- a/springloaded/src/main/java/org/springsource/loaded/agent/SpringLoadedPreProcessor.java
+++ b/springloaded/src/main/java/org/springsource/loaded/agent/SpringLoadedPreProcessor.java
@@ -525,7 +525,7 @@ public class SpringLoadedPreProcessor implements Constants {
 		} else {
 			try {
 				CodeSource codeSource = protectionDomain.getCodeSource();
-				if (codeSource.getLocation() == null) {
+				if (codeSource == null || codeSource.getLocation() == null) {
 					if (GlobalConfiguration.isRuntimeLogging && log.isLoggable(Level.WARNING)) {
 						log.warning("null codesource for " + slashedClassName);
 					}