diff --git a/oreolek-article.cls b/oreolek-article.cls
index ce8e701..6943c0d 100644
--- a/oreolek-article.cls
+++ b/oreolek-article.cls
@@ -29,6 +29,8 @@
 \RequirePackage{hyperref}
 \RequirePackage{indentfirst}
 \RequirePackage[cm]{fullpage}
+\RequirePackage{misccorr}
+\RequirePackage{eqell}
 \pagestyle{empty}
 \setcounter{secnumdepth}{0}
 \setcounter{tocdepth}{2}
diff --git a/oreolek-book.cls b/oreolek-book.cls
index 5d843f3..5243e15 100644
--- a/oreolek-book.cls
+++ b/oreolek-book.cls
@@ -30,6 +30,8 @@
 \RequirePackage{hyperref}
 \RequirePackage{indentfirst}
 \RequirePackage[cm]{fullpage}
+\RequirePackage{misccorr}
+\RequirePackage{eqell}
 \pagestyle{empty}
 \setcounter{secnumdepth}{0}
 \setcounter{tocdepth}{2}