diff --git a/src/main/scala/stdlib/Tuples.scala b/src/main/scala/stdlib/Tuples.scala
index 749a61a4..fa917500 100644
--- a/src/main/scala/stdlib/Tuples.scala
+++ b/src/main/scala/stdlib/Tuples.scala
@@ -42,7 +42,7 @@ object Tuples extends FlatSpec with Matchers with exercise.Section {
 
   /** You can assign multiple variables at once using tuples:
     */
-  def assignVariablesTuples(res0: String, res1: Int, res2: Float) {
+  def assignVariablesTuples(res0: String, res1: Int, res2: Double) {
     val student = ("Sean Rogers", 21, 3.5)
     val (name, age, gpa) = student
 
diff --git a/src/test/scala/exercises/stdlib/TuplesSpec.scala b/src/test/scala/exercises/stdlib/TuplesSpec.scala
index 3dd6eab4..fa3eed28 100644
--- a/src/test/scala/exercises/stdlib/TuplesSpec.scala
+++ b/src/test/scala/exercises/stdlib/TuplesSpec.scala
@@ -31,7 +31,7 @@ class TuplesSpec extends Spec with Checkers {
     check(
       Test.testSuccess(
         Tuples.assignVariablesTuples _,
-        "Sean Rogers" :: 21 :: 3.5F :: HNil
+        "Sean Rogers" :: 21 :: 3.5D :: HNil
       )
     )
   }