diff --git a/HY-CS-main.tex b/HY-CS-main.tex
index 4f5f5719839d44e32a14180c712552a147098cef..813471f858331d4c830be6f5af164a45c61afd93 100644
--- a/HY-CS-main.tex
+++ b/HY-CS-main.tex
@@ -225,7 +225,7 @@ additional insight.
 % Place ToC
 \newpage
 \mytableofcontents
-\frontmatter
+\mainmatter
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% STEP 4: Write the thesis.