diff --git a/frc971/control_loops/swerve/casadi_velocity_mpc.py b/frc971/control_loops/swerve/casadi_velocity_mpc.py
index f9981c9..698cce7 100644
--- a/frc971/control_loops/swerve/casadi_velocity_mpc.py
+++ b/frc971/control_loops/swerve/casadi_velocity_mpc.py
@@ -2,6 +2,7 @@
 
 from frc971.control_loops.swerve import dynamics
 import matplotlib.pyplot as pyplot
+import matplotlib
 from matplotlib import pylab
 import numpy
 import time
@@ -9,6 +10,8 @@
 import casadi
 import os, sys
 
+matplotlib.use("GTK3Agg")
+
 
 class MPC(object):
 
diff --git a/frc971/control_loops/swerve/simulation.py b/frc971/control_loops/swerve/simulation.py
index 4eed97b..d7e2fec 100644
--- a/frc971/control_loops/swerve/simulation.py
+++ b/frc971/control_loops/swerve/simulation.py
@@ -6,6 +6,7 @@
 from frc971.control_loops.python import control_loop
 from frc971.control_loops.python import controls
 
+import matplotlib
 from matplotlib import pylab
 import sys
 import gflags
@@ -13,6 +14,8 @@
 
 FLAGS = gflags.FLAGS
 
+matplotlib.use("GTK3Agg")
+
 
 class SwerveSimulation(object):