diff --git a/tests/InfRectTest.cpp b/tests/InfRectTest.cpp
index ae4ea60..808bcee 100644
--- a/tests/InfRectTest.cpp
+++ b/tests/InfRectTest.cpp
@@ -41,8 +41,8 @@
               rand.nextS() >> 2, rand.nextS() >> 2);
         int cx = r.centerX();
         int cy = r.centerY();
-        REPORTER_ASSERT(reporter, (r.left() + r.right() >> 1) == cx);
-        REPORTER_ASSERT(reporter, (r.top() + r.bottom() >> 1) == cy);
+        REPORTER_ASSERT(reporter, ((r.left() + r.right()) >> 1) == cx);
+        REPORTER_ASSERT(reporter, ((r.top() + r.bottom()) >> 1) == cy);
     }
 }