diff --git a/.travis.yml b/.travis.yml
index 872aa39..50ad228 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -145,3 +145,4 @@ env:
   global:
   - secure: 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
   - secure: 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
+  - CCACHE_CPP2: yes
diff --git a/tests/AppTest.cpp b/tests/AppTest.cpp
index 3a073f1..b141cf6 100644
--- a/tests/AppTest.cpp
+++ b/tests/AppTest.cpp
@@ -1475,7 +1475,7 @@ TEST_F(TApp, ThrowingTransform) {
 // #87
 TEST_F(TApp, CustomDoubleOption) {
 
-    std::pair<int, float> custom_opt;
+    std::pair<int, double> custom_opt;
 
     auto opt = app.add_option("posit", [&custom_opt](CLI::results_t vals) {
         custom_opt = {stol(vals.at(0)), stod(vals.at(1))};
@@ -1487,5 +1487,5 @@ TEST_F(TApp, CustomDoubleOption) {
 
     run();
     EXPECT_EQ(custom_opt.first, 12);
-    EXPECT_FLOAT_EQ(custom_opt.second, 1.5);
+    EXPECT_DOUBLE_EQ(custom_opt.second, 1.5);
 }
diff --git a/tests/HelpTest.cpp b/tests/HelpTest.cpp
index d8b64b2..8ac69a8 100644
--- a/tests/HelpTest.cpp
+++ b/tests/HelpTest.cpp
@@ -465,7 +465,7 @@ TEST_F(CapturedHelp, RepacedError) {
 // #87
 TEST(THelp, CustomDoubleOption) {
 
-    std::pair<int, float> custom_opt;
+    std::pair<int, double> custom_opt;
 
     CLI::App app;