diff --git a/gap/quasigroups.gd b/gap/quasigroups.gd
index e9683c1..acede97 100644
--- a/gap/quasigroups.gd
+++ b/gap/quasigroups.gd
@@ -80,12 +80,12 @@ DeclareCategory( "IsLoop", IsQuasigroup and IsMagmaWithOne and
 ##  TESTING MULTIPLICATION TABLES
 ##  -------------------------------------------------------------------------
 
-DeclareProperty( "IsLeftQuasigroupTable", [ IsMatrix ]);
-DeclareProperty( "IsRightQuasigroupTable", [ IsMatrix ]);
+DeclareProperty( "IsLeftQuasigroupTable", IsMatrix );
+DeclareProperty( "IsRightQuasigroupTable", IsMatrix );
 DeclareSynonym( "IsQuasigroupTable", 
                 IsLeftQuasigroupTable and IsRightQuasigroupTable );
 DeclareSynonym( "IsQuasigroupCayleyTable", IsQuasigroupTable );
-DeclareProperty( "IsLoopTable", [ IsMatrix ] );
+DeclareProperty( "IsLoopTable", IsMatrix );
 DeclareSynonym( "IsLoopCayleyTable", IsLoopTable );
 DeclareGlobalFunction("CanonicalCayleyTableOfLeftQuasigroupTable");
 DeclareOperation( "CanonicalCayleyTable", [ IsMatrix ] );