diff --git a/mod/box/index.h b/mod/box/index.h
index e0d4d684072a202494b84887e39fbcd2f4e2104b..07e706e74624724ad188f2bcd7c78c2c711df0b4 100644
--- a/mod/box/index.h
+++ b/mod/box/index.h
@@ -126,8 +126,8 @@ struct key_def {
  * initialized separately.
  */
 - (struct iterator *) allocIterator;
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type;
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type;
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type
 			:(void *) key
 			:(int) part_count;
 @end
diff --git a/mod/box/index.m b/mod/box/index.m
index b4b533274ceb77e6472762caa523708c11a69499..9dd265a9725bd2cead52216dcbb7298a618f0b83 100644
--- a/mod/box/index.m
+++ b/mod/box/index.m
@@ -166,14 +166,14 @@ iterator_first_equal(struct iterator *it)
 	return NULL;
 }
 
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type
 {
 	(void) iterator;
 	(void) type;
 	[self subclassResponsibility: _cmd];
 }
 
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type
                         :(void *) key
 			:(int) part_count
 {
@@ -390,7 +390,7 @@ hash_iterator_free(struct iterator *iterator)
 #endif
 }
 
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type
 {
 	assert(iterator->next = hash_iterator_next);
 	struct hash_iterator *it = hash_iterator(iterator);
@@ -403,7 +403,7 @@ hash_iterator_free(struct iterator *iterator)
 	it->hash = int_hash;
 }
 
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type
                         :(void *) key
 			:(int) part_count
 {
@@ -523,7 +523,7 @@ hash_iterator_free(struct iterator *iterator)
 #endif
 }
 
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type
 {
 	assert(iterator->next = hash_iterator_next);
 	struct hash_iterator *it = hash_iterator(iterator);
@@ -536,7 +536,7 @@ hash_iterator_free(struct iterator *iterator)
 	it->hash = (struct mh_i32ptr_t *) int64_hash;
 }
 
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type
                         :(void *) field
 			:(int) part_count
 {
@@ -647,7 +647,7 @@ hash_iterator_free(struct iterator *iterator)
 #endif
 }
 
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type
 {
 	assert(iterator->next = hash_iterator_next);
 	struct hash_iterator *it = hash_iterator(iterator);
@@ -660,7 +660,7 @@ hash_iterator_free(struct iterator *iterator)
 	it->hash = (struct mh_i32ptr_t *) str_hash;
 }
 
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type
                         :(void *) key
 			:(int) part_count
 {
diff --git a/mod/box/tree.m b/mod/box/tree.m
index 05a7298f5c44a71b3e7060f585a5a5136cac5c60..04eac45165bf0d566361049a6fa04ab528ab7093 100644
--- a/mod/box/tree.m
+++ b/mod/box/tree.m
@@ -833,12 +833,12 @@ tree_iterator_free(struct iterator *iterator)
 	return (struct iterator *) it;
 }
 
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type
 {
 	[self initIterator: iterator :type :NULL :0];
 }
 
-- (void) initIterator: (struct iterator *) iterator: (enum iterator_type) type
+- (void) initIterator: (struct iterator *) iterator :(enum iterator_type) type
                         :(void *) key
 			:(int) part_count
 {