diff --git a/tools/qfcc/include/type.h b/tools/qfcc/include/type.h
index 0546a7633..ba5ade9f4 100644
--- a/tools/qfcc/include/type.h
+++ b/tools/qfcc/include/type.h
@@ -147,7 +147,7 @@ void chain_type (type_t *type);
 */
 const type_t *append_type (const type_t *type, const type_t *new);
 void set_func_type_attrs (const type_t *func, specifier_t spec);
-specifier_t default_type (specifier_t spec, struct symbol_s *sym);
+specifier_t default_type (specifier_t spec, const struct symbol_s *sym);
 const type_t *find_type (const type_t *new);
 void new_typedef (const char *name, type_t *type);
 const type_t *field_type (const type_t *aux);
diff --git a/tools/qfcc/source/type.c b/tools/qfcc/source/type.c
index 5f01c634f..4a13e7ecc 100644
--- a/tools/qfcc/source/type.c
+++ b/tools/qfcc/source/type.c
@@ -459,7 +459,7 @@ set_func_type_attrs (const type_t *func, specifier_t spec)
 }
 
 specifier_t
-default_type (specifier_t spec, symbol_t *sym)
+default_type (specifier_t spec, const symbol_t *sym)
 {
 	if (spec.type) {
 		if (is_float (spec.type) && !spec.multi_type) {