Index: graphspell-js/dawg.js
==================================================================
--- graphspell-js/dawg.js
+++ graphspell-js/dawg.js
@@ -65,11 +65,11 @@
             if (!dAff.get(sAff)) {
                 dAff.set(sAff, nAff);
                 lAff.push(sAff);
                 nAff += 1;
             }
-            dAffOccur.set(sAff, dCharOccur.gl_get(sAff, 0) + 1);
+            dAffOccur.set(sAff, dAffOccur.gl_get(sAff, 0) + 1);
             // tags
             if (!dTag.get(sTag)) {
                 dTag.set(sTag, nTag);
                 lTag.push(sTag);
                 nTag += 1;

Index: graphspell/dawg.py
==================================================================
--- graphspell/dawg.py
+++ graphspell/dawg.py
@@ -87,11 +87,11 @@
                 sAff = funcStemmingGen(sFlex, sStem)
                 if sAff not in dAff:
                     dAff[sAff] = nAff
                     lAff.append(sAff)
                     nAff += 1
-                dAffOccur[sAff] = dCharOccur.get(sAff, 0) + 1
+                dAffOccur[sAff] = dAffOccur.get(sAff, 0) + 1
                 # tags
                 if sTag not in dTag:
                     dTag[sTag] = nTag
                     lTag.append(sTag)
                     nTag += 1