1 files changed, 3 insertions, 3 deletions

diff --git a/src/bytecode.c b/src/bytecode.c
index c53c5acdbb3..679fc60a1a7 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -272,7 +272,7 @@ struct byte_stack *byte_stack_list;
 /* Mark objects on byte_stack_list.  Called during GC.  */
 
 void
-mark_byte_stack ()
+mark_byte_stack (void)
 {
   struct byte_stack *stack;
   Lisp_Object *obj;
@@ -301,7 +301,7 @@ mark_byte_stack ()
    counters.  Called when GC has completed.  */
 
 void
-unmark_byte_stack ()
+unmark_byte_stack (void)
 {
   struct byte_stack *stack;
 
@@ -1678,7 +1678,7 @@ If the third argument is incorrect, Emacs may crash.  */)
 }
 
 void
-syms_of_bytecode ()
+syms_of_bytecode (void)
 {
   Qbytecode = intern_c_string ("byte-code");
   staticpro (&Qbytecode);