diff --git a/src/Install/Library.elm b/src/Install/Library.elm
index d98db17..a0779a8 100644
--- a/src/Install/Library.elm
+++ b/src/Install/Library.elm
@@ -348,6 +348,9 @@ expressionToString (Node _ expression) =
         RecordAccess child field ->
             expressionToString child ++ "." ++ Node.value field
 
+        Literal str ->
+            "\"" ++ str ++ "\""
+
         -- CaseExpression caseBlock ->
         --     "case " ++ expressionToString caseBlock.expression ++ " of " ++ String.join " " (List.map caseToString caseBlock.cases)
         -- LambdaExpression lambda ->
diff --git a/tests/Install/ElementToListTest.elm b/tests/Install/ElementToListTest.elm
index 1a06340..f218515 100644
--- a/tests/Install/ElementToListTest.elm
+++ b/tests/Install/ElementToListTest.elm
@@ -11,6 +11,7 @@ all =
         [ Run.testFix test1
         , Run.expectNoErrorsTest "should not report error when the field already exists" src0 rule1
         , Run.testFix test2
+        , Run.testFix test4
         ]
 
 
@@ -127,3 +128,51 @@ contributors : List Contributors
 contributors =
     [ Jxx, Matt, Laozi ]
 """
+
+
+
+-- TEST 4
+
+
+test4 =
+    { description = "should add an element to a list of tuples in project"
+    , src = src4
+    , rule = rule4
+    , under = under4
+    , fixed = fixed4
+    , message = "Add 2 elements to the list"
+    }
+
+
+src4 =
+    """module Routes exposing (..)
+
+type Route
+    = HomepageRoute
+    | Quotes
+
+routesAndNames : List (Route, String)
+routesAndNames =
+    [(HomepageRoute, "homepage")]
+"""
+
+
+rule4 =
+    makeRule "Routes" "routesAndNames" [ "(Quotes, \"quotes\")" ]
+
+
+under4 =
+    """[(HomepageRoute, "homepage")]"""
+
+
+fixed4 =
+    """module Routes exposing (..)
+
+type Route
+    = HomepageRoute
+    | Quotes
+
+routesAndNames : List (Route, String)
+routesAndNames =
+    [(HomepageRoute, "homepage"), (Quotes, "quotes")]
+"""