diff --git a/examples/quaternion_from_euler.cc b/examples/quaternion_from_euler.cc
index cff627101..ffe8fef57 100644
--- a/examples/quaternion_from_euler.cc
+++ b/examples/quaternion_from_euler.cc
@@ -44,7 +44,7 @@ int main(int argc, char **argv)
   if (argc != 4)
   {
     std::cerr << "Invalid usage\n\n"
-              << "Usage (angles specified in degrees):\n"
+              << "Usage (angles specified in radians):\n"
               << "  quaternion_from_euler "
               << "<float_roll> <float_pitch> <float_yaw>\n\n"
               << "Example\n"
@@ -53,9 +53,9 @@ int main(int argc, char **argv)
     return -1;
   }
 
-  double roll = GZ_DTOR(strToDouble(argv[1]));
-  double pitch = GZ_DTOR(strToDouble(argv[2]));
-  double yaw = GZ_DTOR(strToDouble(argv[3]));
+  double roll = strToDouble(argv[1]);
+  double pitch = strToDouble(argv[2]);
+  double yaw = strToDouble(argv[3]);
 
   std::cout << "Converting Euler angles:\n";
   printf(" roll  % .6f radians\n"