diff --git a/documentation.tex b/documentation.tex
index 00bd5af..0762046 100644
--- a/documentation.tex
+++ b/documentation.tex
@@ -59,7 +59,7 @@
 	framexleftmargin=2.4em,
 	showstringspaces=false,
 	language=TeX,
-	morekeywords={\documentclass,\begin,\end,\usepackage,\makeinvoice,\setinvoicetitle,\setinvoicenumber,\setreceivername,\setreceiveraddress,\setname,\setaddress,\setphonenumber,\setemail,\setyourref,\setourref,\setinvoicedate,\setdeadline,\additem,\setsubtotal,\setvat,\settotal,\setaccountnumber, \setsummary, \setcurrency, \setvattext, \setaccounttext},
+	morekeywords={\documentclass,\begin,\end,\usepackage,\makeinvoice,\setinvoicetitle,\setlogo,\setinvoicenumber,\setreceivername,\setreceiveraddress,\setname,\setaddress,\setphonenumber,\setemail,\setyourref,\setourref,\setinvoicedate,\setdeadline,\additem,\setsubtotal,\setvat,\settotal,\setaccountnumber, \setsummary, \setcurrency, \setvattext, \setaccounttext},
 	commentstyle=\color{source_brown}\ttfamily,
 	keywordstyle=\color{source_blue}\ttfamily,
 	stringstyle=\color{source_orange},
@@ -161,6 +161,13 @@ \subsection{{\textbackslash}setinvoicetitle}
 \setinvoicetitle{My invoice}
 \end{lstlisting}
 
+\subsection{{\textbackslash}setlogo}
+Sets a logo filename to be read from the current directory. Optional command. Takes one argument: the logo filename without extension.
+Example (if filename was logo.png):
+\begin{lstlisting}
+\setlogo{logo}
+\end{lstlisting}
+
 \subsection{{\textbackslash}setinvoicenumber} \label{par:setinvoicenumber}
 Sets the invoice number for the invoice. This command must be present, if not the text ``{\color{red}No number}'' is printed in place of an invoice number. Takes one argument: the invoice number. Example:
 \begin{lstlisting}
@@ -324,6 +331,7 @@ \chapter{Example invoices}
 \setcurrency{USD}
 
 \setinvoicetitle{My Invoice}
+\setlogo{logo}
 \setinvoicenumber{42}
 
 \setreceivername{Person McNameface}
diff --git a/simpleinvoice.sty b/simpleinvoice.sty
index c9cff07..d1a38a4 100644
--- a/simpleinvoice.sty
+++ b/simpleinvoice.sty
@@ -185,10 +185,12 @@
 \newcommand{\setcurrency}[1]{\def \INV@text@currency {\ #1}}
 \newcommand{\setvattext}[1]{\def \INV@text@vat {#1}}
 \newcommand{\setaccounttext}[1]{\def \INV@text@accountnum {#1}}
+\newcommand{\setlogo}[1]{\def \INV@content@logo} {#1}}
 
 % Make invoice function
 \def \makeinvoice {
 	\begin{minipage}[b]{0.5\textwidth}
+		\ifdef{\INV@content@logo}{\begin{flushleft}\includegraphics{\INV@content@logo}\end{flushleft}}{}
 		{\large \textbf{\INV@content@toname}} \\
 		\INV@content@toaddr
 	\end{minipage}