diff --git a/gptc/classifier.py b/gptc/classifier.py
index 73a0077..8fdd1eb 100755
--- a/gptc/classifier.py
+++ b/gptc/classifier.py
@@ -22,7 +22,7 @@ class Classifier:
         except:
             model_version = 1
 
-        if model_version == 1:
+        if model_version == 2:
             self.model = model
         else:
             # The model is an unsupported version
@@ -56,16 +56,15 @@ class Classifier:
         probs = {}
         for word in text:
             try:
-                total = sum(model[word].values())
-                for category, value in model[word].items():
+                for category, value in enumerate(model[word]):
                     try:
-                        probs[category] += value / total
+                        probs[category] += value
                     except KeyError:
-                        probs[category] = value / total
+                        probs[category] = value
             except KeyError:
                 pass
         total = sum(probs.values())
-        probs = {category: value/total for category, value in probs.items()}
+        probs = {model['__names__'][category]: value/total for category, value in probs.items()}
         return probs
 
     def classify(self, text):
diff --git a/gptc/compiler.py b/gptc/compiler.py
index 865f719..54a1032 100755
--- a/gptc/compiler.py
+++ b/gptc/compiler.py
@@ -27,7 +27,12 @@ def compile(raw_model):
 
     categories_by_count = {}
     
+    names = []
+
     for category, text in categories.items():
+        if not category in names:
+            names.append(category)
+
         categories_by_count[category] = {}
         for word in text:
             try:
@@ -45,7 +50,11 @@ def compile(raw_model):
     model = {}
     for word, weights in word_weights.items():
         total = sum(weights.values())
-        model[word] = {category: weight/total for category, weight in weights.items()}
+        model[word] = []
+        for category in names:
+            model[word].append(weights.get(category, 0)/total)
+
+    model['__names__'] = names
 
     model['__version__'] = 2
     model['__raw__'] = raw_model