diff --git a/alib2algo/src/regexp/generate/RandomRegExpFactory.cpp b/alib2algo/src/regexp/generate/RandomRegExpFactory.cpp
index 54304882cab8b1981ef2ded8817f338925ed718d..c40e5620f3cd627f8a6485c1832a2a04018690df 100644
--- a/alib2algo/src/regexp/generate/RandomRegExpFactory.cpp
+++ b/alib2algo/src/regexp/generate/RandomRegExpFactory.cpp
@@ -67,7 +67,7 @@ regexp::UnboundedRegExp < > RandomRegExpFactory::generateUnboundedRegExp( size_t
 	return res;
 }
 
-auto GenerateUnboundedRegExp2 = registration::AbstractRegister < RandomRegExpFactory, regexp::UnboundedRegExp < >, size_t, size_t, size_t, bool > ( RandomRegExpFactory::generateUnboundedRegExp, abstraction::AlgorithmCategories::AlgorithmCategory::DEFAULT, "leafNodes", "height", "alphabet" );
+auto GenerateUnboundedRegExp2 = registration::AbstractRegister < RandomRegExpFactory, regexp::UnboundedRegExp < >, size_t, size_t, ext::set < DefaultSymbolType > > ( RandomRegExpFactory::generateUnboundedRegExp, abstraction::AlgorithmCategories::AlgorithmCategory::DEFAULT, "leafNodes", "height", "alphabet" );
 
 regexp::UnboundedRegExp < > RandomRegExpFactory::SimpleUnboundedRegExp( size_t n, size_t h, const ext::ptr_vector < regexp::UnboundedRegExpElement < DefaultSymbolType > > & elems) {
 	return regexp::UnboundedRegExp < > (regexp::UnboundedRegExpStructure < DefaultSymbolType > ( SimpleUnboundedRegExpElement (n, h, elems)));
@@ -131,7 +131,7 @@ ext::ptr_value < regexp::UnboundedRegExpElement < DefaultSymbolType > > RandomRe
 			}
 			return ext::ptr_value < regexp::UnboundedRegExpElement < DefaultSymbolType > > ( std::move ( alt ) );
 		}
-		
+
 	}
 }