diff --git a/include/asterisk/sched.h b/include/asterisk/sched.h
index f9f65cfd92..993ba6b7eb 100644
--- a/include/asterisk/sched.h
+++ b/include/asterisk/sched.h
@@ -210,7 +210,7 @@ const void *ast_sched_find_data(struct sched_context *con, int id);
  * \param id ID of the scheduled item to delete
  * \return Returns 0 on success, -1 on failure
  */
-#ifndef DEVMODE
+#ifndef AST_DEVMODE
 int ast_sched_del(struct sched_context *con, int id) attribute_warn_unused_result;
 #else
 int _ast_sched_del(struct sched_context *con, int id, const char *file, int line, const char *function) attribute_warn_unused_result;
diff --git a/main/sched.c b/main/sched.c
index f32cfab920..e98accc72d 100644
--- a/main/sched.c
+++ b/main/sched.c
@@ -334,7 +334,7 @@ const void *ast_sched_find_data(struct sched_context *con, int id)
  * would be two or more in the list with that
  * id.
  */
-#ifndef DEVMODE
+#ifndef AST_DEVMODE
 int ast_sched_del(struct sched_context *con, int id)
 #else
 int _ast_sched_del(struct sched_context *con, int id, const char *file, int line, const char *function)
@@ -377,7 +377,7 @@ int _ast_sched_del(struct sched_context *con, int id, const char *file, int line
 
 	if (!s) {
 		ast_debug(1, "Attempted to delete nonexistent schedule entry %d!\n", id);
-#ifndef DEVMODE
+#ifndef AST_DEVMODE
 		ast_assert(s != NULL);
 #else
 		_ast_assert(0, "s != NULL", file, line, function);