1 files changed, 8 insertions, 3 deletions

diff --git a/src/cuchaz/enigma/analysis/JarIndex.java b/src/cuchaz/enigma/analysis/JarIndex.java
index a8ac001..b4096e9 100644
--- a/src/cuchaz/enigma/analysis/JarIndex.java
+++ b/src/cuchaz/enigma/analysis/JarIndex.java
@@ -587,9 +587,14 @@ public class JarIndex
         
         public ClassImplementationsTreeNode getClassImplementations( Translator deobfuscatingTranslator, ClassEntry obfClassEntry )
         {
-                ClassImplementationsTreeNode node = new ClassImplementationsTreeNode( deobfuscatingTranslator, obfClassEntry );
-                node.load( this );
-                return node;
+                // is this even an interface?
+                if( isInterface( obfClassEntry.getClassName() ) )
+                {
+                        ClassImplementationsTreeNode node = new ClassImplementationsTreeNode( deobfuscatingTranslator, obfClassEntry );
+                        node.load( this );
+                        return node;
+                }
+                return null;
         }
         
         public MethodInheritanceTreeNode getMethodInheritance( Translator deobfuscatingTranslator, MethodEntry obfMethodEntry )