diff --git a/gap/structure.gi b/gap/structure.gi
index 136d9e8..06972ba 100644
--- a/gap/structure.gi
+++ b/gap/structure.gi
@@ -329,7 +329,7 @@ InstallMethod(ViewString, "for a left quasigroup",
 InstallMethod(ViewString, "for a left quasigroup with generators",
               [IsLeftQuasigroup and HasGeneratorsOfLeftQuasigroup], 
               Q -> Concatenation(LeftObjView@(Q), " with ",
-                                 Size(GeneratorsOfLeftQuasigroup(Q)), 
+                                 String(Size(GeneratorsOfLeftQuasigroup(Q))), 
                                  " generators>"));
 
 InstallMethod(ViewString, "for a right quasigroup",
@@ -339,7 +339,7 @@ InstallMethod(ViewString, "for a right quasigroup",
 InstallMethod(ViewString, "for a right quasigroup with generators",
               [IsRightQuasigroup and HasGeneratorsOfRightQuasigroup], 
               Q -> Concatenation(RightObjView@(Q), " with ",
-                                 Size(GeneratorsOfRightQuasigroup(Q)), 
+                                 String(Size(GeneratorsOfRightQuasigroup(Q))), 
                                  " generators>"));
 
 # Patch View/Print/Display for magma by mult objects