diff --git a/test/test_accumulator.cpp b/test/test_accumulator.cpp
index da316763..c4ec50bd 100644
--- a/test/test_accumulator.cpp
+++ b/test/test_accumulator.cpp
@@ -20,12 +20,12 @@
 #endif
 #endif
 
-#include <rcppmath/rolling_mean_accumulator.hpp>
-
-#include <gtest/gtest.h>
 #include <cmath>
 #include <memory>
 
+#include "gtest/gtest.h"
+
+#include "rcppmath/rolling_mean_accumulator.hpp"
 
 TEST(TestAccumulator, test_accumulator)
 {
diff --git a/test/test_env.cpp b/test/test_env.cpp
index 30a3e0eb..81ca59c7 100644
--- a/test/test_env.cpp
+++ b/test/test_env.cpp
@@ -12,13 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include <gtest/gtest.h>
-
-#include <rcpputils/env.hpp>
-
 #include <stdexcept>
 #include <string>
 
+#include "gtest/gtest.h"
+
+#include "rcpputils/env.hpp"
 
 /* Tests get_env_var.
  *