diff --git a/src/Cone_TEST.cc b/src/Cone_TEST.cc
index 41295e34a..d09e87da7 100644
--- a/src/Cone_TEST.cc
+++ b/src/Cone_TEST.cc
@@ -208,7 +208,7 @@ TEST(DOMCone, CalculateInertial)
   cone.SetRadius(r);
 
   double expectedMass = cone.Shape().Volume() * density;
-  double ixxIyy = (3/80.0) * expectedMass * (4*r*r + l*l);
+  double ixxIyy = (3 / 80.0) * expectedMass * (4 * r * r + l * l);
   double izz = 3.0 * expectedMass * r * r / 10.0;
 
   gz::math::MassMatrix3d expectedMassMat(
diff --git a/src/Geometry_TEST.cc b/src/Geometry_TEST.cc
index 204d3fc29..7f4da1f1b 100644
--- a/src/Geometry_TEST.cc
+++ b/src/Geometry_TEST.cc
@@ -426,7 +426,7 @@ TEST(DOMGeometry, CalculateInertial)
     cone.SetRadius(r);
 
     expectedMass = cone.Shape().Volume() * density;
-    double ixxIyy = (3/80.0) * expectedMass * (4*r*r + l*l);
+    double ixxIyy = (3 / 80.0) * expectedMass * (4 * r * r + l * l);
     double izz = 3.0 * expectedMass * r * r / 10.0;
 
     expectedMassMat.SetMass(expectedMass);