diff --git a/HsH-classes.dtx b/HsH-classes.dtx
index eb8d99c6cbe39ebb31b97717314b70642cd629a7..14f434e602f17a39c576abdcb9b89abc756b0f7e 100644
--- a/HsH-classes.dtx
+++ b/HsH-classes.dtx
@@ -64,9 +64,9 @@
 \DeclareOption{roman}{
   \renewcommand{\familydefault}{\rmdefault}
 }
-%<article>\DeclareOption*{\PassOptionsToClass{\CurrentOption}{scrartcl}}
-%<report>\DeclareOption*{\PassOptionsToClass{\CurrentOption}{scrreprt}}
-%<standalone>\DeclareOption*{\PassOptionsToClass{\CurrentOption}{standalone}}
+%<article>\DeclareOption*{\expandafter\PassOptionsToClass\expandafter{\CurrentOption}{scrartcl}}
+%<report>\DeclareOption*{\expandafter\PassOptionsToClass\expandafter{\CurrentOption}{scrreprt}}
+%<standalone>\DeclareOption*{\expandafter\PassOptionsToClass\expandafter{\CurrentOption}{standalone}}
 %
 %<article|report>\ExecuteOptions{fontsize=11pt,a4paper,ngerman,sans} % default options
 %<standalone>\ExecuteOptions{margin=0.25cm,fontsize=11pt,a4paper,ngerman,sans} % default options
diff --git a/src/HsH-article.cls b/src/HsH-article.cls
index 508169ada08cfa98b691ddde6a514e8cee49304a..fb60a3981fb4ad1f27eacd8ee601e2111308363d 100644
--- a/src/HsH-article.cls
+++ b/src/HsH-article.cls
@@ -62,7 +62,7 @@
 \DeclareOption{roman}{
   \renewcommand{\familydefault}{\rmdefault}
 }
-\DeclareOption*{\PassOptionsToClass{\CurrentOption}{scrartcl}}
+\DeclareOption*{\expandafter\PassOptionsToClass\expandafter{\CurrentOption}{scrartcl}}
 \ExecuteOptions{fontsize=11pt,a4paper,ngerman,sans} % default options
 \ProcessOptions\relax
 %% Load KOMA class
diff --git a/src/HsH-report.cls b/src/HsH-report.cls
index 782cbd0b4c72bb3e9a43e50f62efc9e877bf0626..393435cedd36543578d5f774c7469c10376dffba 100644
--- a/src/HsH-report.cls
+++ b/src/HsH-report.cls
@@ -62,7 +62,7 @@
 \DeclareOption{roman}{
   \renewcommand{\familydefault}{\rmdefault}
 }
-\DeclareOption*{\PassOptionsToClass{\CurrentOption}{scrreprt}}
+\DeclareOption*{\expandafter\PassOptionsToClass\expandafter{\CurrentOption}{scrreprt}}
 \ExecuteOptions{fontsize=11pt,a4paper,ngerman,sans} % default options
 \ProcessOptions\relax
 %% Load KOMA class
diff --git a/src/HsH-standalone.cls b/src/HsH-standalone.cls
index 01e4b2e3f53280cb224f94f05a2843f51ed7a78f..d2c4e8c3ed55ff83023509a8ebeca1817a5970a1 100644
--- a/src/HsH-standalone.cls
+++ b/src/HsH-standalone.cls
@@ -62,7 +62,7 @@
 \DeclareOption{roman}{
   \renewcommand{\familydefault}{\rmdefault}
 }
-\DeclareOption*{\PassOptionsToClass{\CurrentOption}{standalone}}
+\DeclareOption*{\expandafter\PassOptionsToClass\expandafter{\CurrentOption}{standalone}}
 \ExecuteOptions{margin=0.25cm,fontsize=11pt,a4paper,ngerman,sans} % default options
 \ProcessOptions\relax
 %% Load KOMA class