diff --git a/migrations/034-add-enum-to-sentimen-in-arguments.js b/migrations/034-add-enum-to-sentimen-in-arguments.js
new file mode 100755
index 00000000..2b1cdbe3
--- /dev/null
+++ b/migrations/034-add-enum-to-sentimen-in-arguments.js
@@ -0,0 +1,16 @@
+let db = require('../src/db').sequelize;
+
+module.exports = {
+  up: function() {
+
+    try {
+      return db.query(`
+        ALTER TABLE arguments MODIFY COLUMN sentiment
+        ENUM('against', 'for', 'no sentiment');
+			`);
+    } catch(e) {
+      return true;
+    }
+
+  }
+}
diff --git a/src/models/Argument.js b/src/models/Argument.js
index cf3a5959..a0676e85 100644
--- a/src/models/Argument.js
+++ b/src/models/Argument.js
@@ -39,7 +39,7 @@ module.exports = function( db, sequelize, DataTypes ) {
 		},
 
 		sentiment: {
-			type         : DataTypes.ENUM('against', 'for'),
+			type         : DataTypes.ENUM('against', 'for', 'no sentiment'),
 			defaultValue : 'for',
 			allowNull    : false
 		},
diff --git a/src/routes/api/argument.js b/src/routes/api/argument.js
index df0c5729..033457eb 100755
--- a/src/routes/api/argument.js
+++ b/src/routes/api/argument.js
@@ -50,7 +50,7 @@ router
     let sentiment = req.query.sentiment;
     let where = { id: argumentId };
 
-    if (sentiment && (sentiment == 'against' || sentiment == 'for')) {
+    if (sentiment && (sentiment == 'against' || sentiment == 'for' || sentiment == 'no sentiment')) {
       where.sentiment = sentiment;
     }
 
@@ -83,7 +83,7 @@ router.route('/')
       where.ideaId = ideaId;
     }
     let sentiment = req.query.sentiment;
-    if (sentiment && (sentiment == 'against' || sentiment == 'for')) {
+    if (sentiment && (sentiment == 'against' || sentiment == 'for' || sentiment == 'no sentiment')) {
       where.sentiment = sentiment;
     }