Nummerierung des erstes Satzes in scrjura erzeugt falsche Verweise

\documentclass[version=last,parskip=half]{scrartcl}
\usepackage{scrjura}
 
\begin{document}
\begin{contract}
\Clause{title={Numbering the first sentence of an paragraph}}
A paragraph without marking its first sentence.\label{first-paragraph-first-sentence}
 
Another paragraph without marking its first sentence.\label{second-paragraph-first-sentence} \Sentence But the second sentence is marked.\label{second-paragraph-second-sentence}
 
\Sentence A paragraph marking its first sentence.\label{third-paragraph-first-sentence}
 
\Sentence Another paragraph marking its first sentence.\label{fourth-paragraph-first-sentence} \Sentence But its second sentence is also marked.\label{fourth-paragraph-second-sentence}
 
Testing:\\
Referencing 1-1-1: \ref{first-paragraph-first-sentence}\\   % yields correct: § 1 paragraph 1 sentence 1
Referencing 1-2-1: \ref{second-paragraph-first-sentence}\\  % yields correct: § 1 paragraph 2 sentence 1
Referencing 1-2-2: \ref{second-paragraph-second-sentence}\\ % yields correct: § 1 paragraph 2 sentence 2
Referencing 1-3-1: \ref{third-paragraph-first-sentence}\\   % yields wrong:   § 1 paragraph 2 sentence 3
Referencing 1-4-1: \ref{fourth-paragraph-first-sentence}\\  % yields wrong:   § 1 paragraph 3 sentence 2
Referencing 1-4-2: \ref{fourth-paragraph-second-sentence}   % yields correct: § 1 paragraph 4 sentence 2
\end{contract}
\end{document}

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