diff --git a/doc/index.html.sss b/doc/index.html.sss
index 3e2b005..9e277a0 100644
--- a/doc/index.html.sss
+++ b/doc/index.html.sss
@@ -2600,7 +2600,7 @@ echo "${sglib_define_list_functions_parameters}"
 </td><td VALIGN="top" WIDTH="1%"><i>function</i></b>
 </td><td VALIGN="top" WIDTH="70%">
 <a name="sglib_list_type_find_member"></a>
-<code><b><font  face="Arial" color="909090">type</font> *sglib_<font  face="Arial" color="909090">type</font>_find_member(<font  face="Arial" color="909090">type</font> **list, <font  face="Arial" color="909090">type</font> *elem)</b></code>
+<code><b><font  face="Arial" color="909090">type</font> *sglib_<font  face="Arial" color="909090">type</font>_find_member(<font  face="Arial" color="909090">type</font> *list, <font  face="Arial" color="909090">type</font> *elem)</b></code>
 <br>
 <br>
 find an element in the list. The element is searched using <a href="#comparator_equality">comparator equality</a>.
@@ -3159,7 +3159,7 @@ echo "${sglib_define_sorted_list_functions_parameters}"
 </td><td VALIGN="top" WIDTH="1%"><i>function</i></b>
 </td><td VALIGN="top" WIDTH="70%">
 <a name="sglib_sorted_list_type_find_member"></a>
-<code><b><font  face="Arial" color="909090">type</font> *sglib_<font  face="Arial" color="909090">type</font>_find_member(<font  face="Arial" color="909090">type</font> **list, <font  face="Arial" color="909090">type</font> *elem)</b></code>
+<code><b><font  face="Arial" color="909090">type</font> *sglib_<font  face="Arial" color="909090">type</font>_find_member(<font  face="Arial" color="909090">type</font> *list, <font  face="Arial" color="909090">type</font> *elem)</b></code>
 <br>
 <br>
 find an element in the list. The element is searched using <a href="#comparator_equality">comparator equality</a>.
@@ -3804,7 +3804,7 @@ echo "${sglib_define_dl_list_functions_parameters}"
 </td><td VALIGN="top" WIDTH="1%"><i>function</i></b>
 </td><td VALIGN="top" WIDTH="70%">
 <a name="sglib_dl_list_type_find_member"></a>
-<code><b><font  face="Arial" color="909090">type</font> *sglib_<font  face="Arial" color="909090">type</font>_find_member(<font  face="Arial" color="909090">type</font> **list, <font  face="Arial" color="909090">type</font> *elem)</b></code>
+<code><b><font  face="Arial" color="909090">type</font> *sglib_<font  face="Arial" color="909090">type</font>_find_member(<font  face="Arial" color="909090">type</font> *list, <font  face="Arial" color="909090">type</font> *elem)</b></code>
 <br>
 <br>
 find an element in the list. The element is searched using <a href="#comparator_equality">comparator equality</a>.
@@ -4409,7 +4409,7 @@ echo "${sglib_define_rbtree_functions_parameters}"
 </td><td VALIGN="top" WIDTH="1%"><i>function</i></b>
 </td><td VALIGN="top" WIDTH="70%">
 <a name="sglib_rbtree_type_find_member"></a>
-<code><b><font  face="Arial" color="909090">type</font> *sglib_<font  face="Arial" color="909090">type</font>_find_member(<font  face="Arial" color="909090">type</font> **tree, <font  face="Arial" color="909090">type</font> *elem)</b></code>
+<code><b><font  face="Arial" color="909090">type</font> *sglib_<font  face="Arial" color="909090">type</font>_find_member(<font  face="Arial" color="909090">type</font> *tree, <font  face="Arial" color="909090">type</font> *elem)</b></code>
 <br>
 <br>
 find an element in the tree. The element is searched using <a href="#comparator_equality">comparator equality</a>.
diff --git a/samples/Makefile b/samples/Makefile
index 45d0bbb..525520d 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -2,7 +2,7 @@ runall: arraysort arraysort1 arraybinsearch listsort listinsertsort listinsertso
 	+make clean
 
 %.exe: %.c ../sglib.h
-	$(CC) -std=gnu89 -Wall -Wextra -pedantic -Wno-unused-function -I.. $*.c -o $*.exe
+	$(CC) -std=gnu89 -Wall -Werror -Wextra -pedantic -Wno-unused-function -I.. $*.c -o $*.exe
 
 arraysort: arraysort.exe ../sglib.h
 	./$< 6 7 3 4 1 4 1 3 5
diff --git a/sglib.h b/sglib.h
index eb832fb..e1edf46 100644
--- a/sglib.h
+++ b/sglib.h
@@ -851,7 +851,7 @@
   return(SGLIB_QUEUE_IS_EMPTY(elem_type, q->afield, q->ifield, q->jfield));\
  }\
  int sglib_##queue_type##_is_full(queue_type *q) {\
-  return(SGLIB_QUEUE_IS_FULL(elem_type, q->afield, q->ifield, q->jfield));\
+  return(SGLIB_QUEUE_IS_FULL(elem_type, q->afield, q->ifield, q->jfield, dim));\
  }\
  elem_type sglib_##queue_type##_first_element(queue_type *q) {\
   return(SGLIB_QUEUE_FIRST_ELEMENT(elem_type, q->afield, q->ifield, q->jfield));\