diff --git a/include/sim.h b/include/sim.h
index b0388b6..369a030 100644
--- a/include/sim.h
+++ b/include/sim.h
@@ -354,9 +354,8 @@ void write2CSV(outVector &stateVector, Vehicle &State) {
 
   // Output file header. These are the variables that we output - useful for
   // debugging
-  outfile << "t, x, y, z, vx, vy, vz, ax, ay, az, yaw, pitch, roll, yawdot, "
-             "pitchdot, rolldot, Servo1, Servo2, thrustFiring, PIDx, PIDy, "
-             "thrust"
+  outfile << "t,x,y,z,vx,vy,vz,ax,ay,az,yaw,pitch,roll,yawdot,pitchdot,rolldot,"
+             "Servo1,Servo2,thrustFiring,PIDx,PIDy,thrust"
           << std::endl;
 
   // writing to output file