diff --git a/src/Language/Go/Assignment.hs b/src/Language/Go/Assignment.hs
index c975d9396..8e092e3fb 100644
--- a/src/Language/Go/Assignment.hs
+++ b/src/Language/Go/Assignment.hs
@@ -42,6 +42,12 @@ type Syntax =
    , Expression.UnsignedRShift
    , Expression.Complement
    , Expression.Call
+   , Expression.LessThan
+   , Expression.LessThanEqual
+   , Expression.GreaterThan
+   , Expression.GreaterThanEqual
+   , Expression.Equal
+   , Expression.StrictEqual
    , Expression.Comparison
    , Expression.Subscript
    , Statement.PostDecrement
diff --git a/src/Language/Ruby/Assignment.hs b/src/Language/Ruby/Assignment.hs
index 84c18cc59..9dd98b417 100644
--- a/src/Language/Ruby/Assignment.hs
+++ b/src/Language/Ruby/Assignment.hs
@@ -56,6 +56,12 @@ type Syntax = '[
   , Expression.Or
   , Expression.XOr
   , Expression.Call
+  , Expression.LessThan
+  , Expression.LessThanEqual
+  , Expression.GreaterThan
+  , Expression.GreaterThanEqual
+  , Expression.Equal
+  , Expression.StrictEqual
   , Expression.Comparison
   , Expression.Enumeration
   , Expression.Matches