diff --git a/md2gost/latex/preamble.py b/md2gost/latex/preamble.py
index 7f5e354..69e1c4e 100644
--- a/md2gost/latex/preamble.py
+++ b/md2gost/latex/preamble.py
@@ -52,9 +52,9 @@ PREAMBLE = r"""\documentclass[a4paper, 14pt]{extarticle}
 \renewcommand{\thesection}{\arabic{section}}
 \renewcommand{\thesubsection}{\thesection.\arabic{subsection}}
 \renewcommand{\thesubsubsection}{\thesubsection.\arabic{subsubsection}}
-\titleformat{\section}{\fontsize{14pt}{18pt}\selectfont\bfseries}{}{0em}{\thesection.\quad}
-\titleformat{\subsection}{\fontsize{14pt}{18pt}\selectfont\bfseries}{}{0em}{\thesubsection.\quad}
-\titleformat{\subsubsection}{\fontsize{14pt}{18pt}\selectfont\bfseries}{}{0em}{\thesubsubsection.\quad}
+\titleformat{\section}{\fontsize{14pt}{18pt}\selectfont\bfseries}{}{0em}{\thesection. }
+\titleformat{\subsection}{\fontsize{14pt}{18pt}\selectfont\bfseries}{}{0em}{\thesubsection. }
+\titleformat{\subsubsection}{\fontsize{14pt}{18pt}\selectfont\bfseries}{}{0em}{\thesubsubsection. }
 \titlespacing*{\section}{1.25cm}{0.5ex plus 0.2ex minus 0.2ex}{0.3ex plus 0.1ex minus 0.1ex}
 \titlespacing*{\subsection}{1.25cm}{0.5ex plus 0.2ex minus 0.2ex}{0.3ex plus 0.1ex minus 0.1ex}
 \titlespacing*{\subsubsection}{1.25cm}{0.5ex plus 0.2ex minus 0.2ex}{0.3ex plus 0.1ex minus 0.1ex}