1 files changed, 1 insertions, 1 deletions

diff --git a/enigma/src/main/java/cuchaz/enigma/classprovider/AddFramesIfNecessaryClassProvider.java b/enigma/src/main/java/cuchaz/enigma/classprovider/AddFramesIfNecessaryClassProvider.java
index 532631f..d6e4ec7 100644
--- a/enigma/src/main/java/cuchaz/enigma/classprovider/AddFramesIfNecessaryClassProvider.java
+++ b/enigma/src/main/java/cuchaz/enigma/classprovider/AddFramesIfNecessaryClassProvider.java
@@ -34,7 +34,7 @@ public class AddFramesIfNecessaryClassProvider implements ClassProvider {
                         return null;
                 }
 
-                if (clazz.version >= Opcodes.V1_7) {
+                if ((clazz.version & 0xffff) >= Opcodes.V1_7) {
                         // already has frames
                         return clazz;
                 }