diff --git a/chapters/derivationofstream.tex b/chapters/derivationofstream.tex
index 53925617f..067c1baa6 100644
--- a/chapters/derivationofstream.tex
+++ b/chapters/derivationofstream.tex
@@ -47,7 +47,7 @@ \section{Reasons for avoiding the actual mixing enthalpy in connector definition
 \end{center}
 \end{figure}
 
-\section{Rationale for the formulation of \lstinline!inStream!}\doublelabel{rationale-for-the-formulation-of-the-instream-operator}
+\section{Rationale for the formulation of inStream}\doublelabel{rationale-for-the-formulation-of-the-instream-operator}
 
 For simplicity, the derivation of \lstinline!inStream! is shown at hand of 3 model components that are connected together.
 The case for $N$ connections follows correspondingly.
@@ -149,7 +149,7 @@ \section{Rationale for the formulation of \lstinline!inStream!}\doublelabel{rati
 \text{\lstinline!inStream!}(h_{outflow,i})=\frac{\sum_{j=1,...,n;j\neq i}\text{max}(-\dot{m}_j,0)h_{outflow,j}}{\sum_{j=1,...,n;j\neq i}\text{max}(-\dot{m}_j,0)}
 \end{equation*}
 
-\section{Special cases covered by \lstinline!inStream! definition}\doublelabel{special-cases-covered-by-the-instream-operator-definition}
+\section{Special cases covered by inStream definition}\doublelabel{special-cases-covered-by-the-instream-operator-definition}
 \subsection{Stream connector is not connected ($N = 1$)}\doublelabel{stream-connector-is-not-connected-n-1}
 For this case, the return value of \lstinline!inStream! is arbitrary.
 Therefore, it is set to the outflow value.