diff --git a/spec_files/jupiter-fan-control/fedora.patch b/spec_files/jupiter-fan-control/fedora.patch
index 631324ae..95076df6 100644
--- a/spec_files/jupiter-fan-control/fedora.patch
+++ b/spec_files/jupiter-fan-control/fedora.patch
@@ -16,3 +16,12 @@ diff -ur usr/share/jupiter-fan-control/PID.py usr/share/jupiter-fan-control/PID.
  #
  # This file is part of IvPID.
  # Copyright (C) 2015 Ivmech Mechatronics Ltd. <bilgi@ivmech.com>
+@@ -64,7 +64,7 @@
+         """Calculates PID value for given reference feedback
+ 
+         .. math::
+-            u(t) = K_p e(t) + K_i \int_{0}^{t} e(t)dt + K_d {de}/{dt}
++            u(t) = K_p e(t) + K_i \\int_{0}^{t} e(t)dt + K_d {de}/{dt}
+ 
+         .. figure:: images/pid_1.png
+            :align:   center