diff --git a/hibernate-core/src/main/java/org/hibernate/proxy/pojo/bytebuddy/ByteBuddyInterceptor.java b/hibernate-core/src/main/java/org/hibernate/proxy/pojo/bytebuddy/ByteBuddyInterceptor.java
index a5166fdc98..a100367baf 100644
--- a/hibernate-core/src/main/java/org/hibernate/proxy/pojo/bytebuddy/ByteBuddyInterceptor.java
+++ b/hibernate-core/src/main/java/org/hibernate/proxy/pojo/bytebuddy/ByteBuddyInterceptor.java
@@ -52,7 +52,7 @@ public class ByteBuddyInterceptor extends BasicLazyInitializer implements ProxyC
 			result = this.invoke( thisMethod, args, proxy );
 		}
 		catch (Throwable t) {
-			throw new Exception( t.getCause() );
+			throw t instanceof RuntimeException ? t : new Exception( t.getCause() );
 		}
 		if ( result == INVOKE_IMPLEMENTATION ) {
 			Object target = getImplementation();