diff --git a/Utilities/Matlab/scripts/pyrolysis.m b/Utilities/Matlab/scripts/pyrolysis.m
index 861be0a5c3f..0753bd70824 100644
--- a/Utilities/Matlab/scripts/pyrolysis.m
+++ b/Utilities/Matlab/scripts/pyrolysis.m
@@ -118,8 +118,9 @@
     set(AX(2),'XTickMode','manual')
     set(AX(2),'XTick',[])
     set(AX(2),'FontName',Font_Name)
+    set(AX(2),'FontSize',Label_Font_Size)
     set(get(AX(1),'Ylabel'),'String','Mass Fraction','Interpreter',Font_Interpreter,'FontSize',Label_Font_Size,'FontName',Font_Name)
-    set(get(AX(2),'Ylabel'),'String','Reaction Rate \times 10^3 (s^{-1})','Interpreter',Font_Interpreter,'FontSize',Label_Font_Size,'FontName',Font_Name)
+    set(get(AX(2),'Ylabel'),'String','Reaction Rate $\times 10^3$ (s$^{-1}$)','Interpreter','LaTeX','FontSize',Label_Font_Size,'FontName',Font_Name)
     set(AX(1),'YLim',[0 1.1])
     set(AX(2),'YLim',[0 2.2])
     set(AX(1),'YTickMode','manual')