diff --git a/dist/dhcp/includes/omapip/omapip.h b/dist/dhcp/includes/omapip/omapip.h
index 7f51c3ff0f94..61c008ca8c6b 100644
--- a/dist/dhcp/includes/omapip/omapip.h
+++ b/dist/dhcp/includes/omapip/omapip.h
@@ -260,12 +260,12 @@ isc_result_t name##_array_lookup (stype **,				      \
 		     omapi_array_foreach_index++) {			      \
 			if ((array) -> data [omapi_array_foreach_index]) {    \
 				((*(array) -> ref)			      \
-				 ((char **)&var,			      \
+				 ((void *)&var,				      \
 				  (array) -> data [omapi_array_foreach_index],\
 				  MDL));
 
 #define	omapi_array_foreach_end(array, stype, var)			      \
-				(*(array) -> deref) ((char **)&var, MDL);     \
+				(*(array) -> deref) ((void *)&var, MDL);      \
 			}						      \
 		}							      \
 	}