diff --git a/commands.tex b/commands.tex
index 163c2e8..7539a59 100644
--- a/commands.tex
+++ b/commands.tex
@@ -276,37 +276,33 @@
 
 % Exercise Material
 % =================
-% Takes a project-relative path, and inserts matching exercise material and/or solutions, depending on the exercise mode. The column width can be configured by an optional second argument
-\newcommand{\exercisematerial}[2][]{
+% Takes a project-relative path, and inserts matching exercise material and/or solutions, depending on the exercise mode.
+\newcommand\exercisematerial[1]{
 	% Mode 'exercises': raw material only
 	\ifthenelse{\equal{\exercisemode}{exercises}}{
-		\IfFileExists{#2.raw.tex}{
-			\begin{minipage}{#1\linewidth}
-				\input{#2.raw.tex}
-			\end{minipage}
+		\IfFileExists{#1.raw.tex}{
+			\input{#1.raw.tex}
 		}{}
 	}{}
 	% Mode 'solutions': completed material only
 	\ifthenelse{\equal{\exercisemode}{solutions}}{
-		\IfFileExists{#2.done.tex}{
-			\input{#2.done.tex}
+		\IfFileExists{#1.done.tex}{
+			\input{#1.done.tex}
 		}{}
 	}{}
 	% Mode 'any': all existing material. If both raw and completed material exist, headings are added for each.
 	\ifthenelse{\equal{\exercisemode}{any}}{
-		\IfFileExists{#2.raw.tex}{
-			\IfFileExists{#2.done.tex}{
+		\IfFileExists{#1.raw.tex}{
+			\IfFileExists{#1.done.tex}{
 				\subsubsection*{Preview of the raw material}
 			}{}
-			\begin{minipage}{#1\linewidth}
-				\input{#2.raw.tex}
-			\end{minipage}
+			\input{#1.raw.tex}
 		}{}
-		\IfFileExists{#2.done.tex}{
-			\IfFileExists{#2.raw.tex}{
+		\IfFileExists{#1.done.tex}{
+			\IfFileExists{#1.raw.tex}{
 				\subsubsection*{Preview of the solution}
 			}{}
-			\input{#2.done.tex}
+			\input{#1.done.tex}
 		}{}
 	}{}
 }
diff --git a/exercises/special-characters/task.tex b/exercises/special-characters/task.tex
index 32806b2..c4389aa 100644
--- a/exercises/special-characters/task.tex
+++ b/exercises/special-characters/task.tex
@@ -14,5 +14,5 @@ This applies for the subsequent tasks, as well.
 	\emph{Studi-Karte} using the \code{latex}{\textbackslash enquote} command. 
 \end{enumerate}
 
-\exercisematerial[.63]{exercises/special-characters/special-characters}
+\exercisematerial{exercises/special-characters/special-characters}