diff --git a/include/sched.h b/include/sched.h
index 0efce85dbfc..0cf488fd7f3 100644
--- a/include/sched.h
+++ b/include/sched.h
@@ -88,18 +88,18 @@ extern "C" {
 #ifndef CONFIG_CUSTOM_STACK
 EXTERN STATUS  task_init(FAR _TCB *tcb, const char *name, int priority,
                          FAR uint32 *stack, uint32 stack_size,
-                         main_t entry, char *argv[]);
+                         main_t entry, const char *argv[]);
 #else
 EXTERN STATUS  task_init(FAR _TCB *tcb, const char *name, int priority,
-                         main_t entry, char *argv[]);
+                         main_t entry, const char *argv[]);
 #endif
 EXTERN STATUS  task_activate(FAR _TCB *tcb);
 #ifndef CONFIG_CUSTOM_STACK
 EXTERN int     task_create(const char *name, int priority, int stack_size,
-                           main_t entry, char *argv[]);
+                           main_t entry, const char *argv[]);
 #else
 EXTERN int     task_create(const char *name, int priority,
-                           main_t entry, char *argv[]);
+                           main_t entry, const char *argv[]);
 #endif
 EXTERN STATUS  task_delete(pid_t pid);
 EXTERN STATUS  task_restart(pid_t pid);
diff --git a/sched/task_create.c b/sched/task_create.c
index d142581ffb5..008cc378a0f 100644
--- a/sched/task_create.c
+++ b/sched/task_create.c
@@ -108,10 +108,10 @@
 
 #ifndef CONFIG_CUSTOM_STACK
 int task_create(const char *name, int priority,
-                int stack_size, main_t entry, char *argv[])
+                int stack_size, main_t entry, const char *argv[])
 #else
 int task_create(const char *name, int priority,
-                main_t entry, char *argv[])
+                main_t entry, const char *argv[])
 #endif
 {
   FAR _TCB *tcb;
diff --git a/sched/task_init.c b/sched/task_init.c
index f1dc42292b1..0b4a3a54d15 100644
--- a/sched/task_init.c
+++ b/sched/task_init.c
@@ -106,10 +106,10 @@
 #ifndef CONFIG_CUSTOM_STACK
 STATUS task_init(FAR _TCB *tcb, const char *name, int priority,
                  FAR uint32 *stack, uint32 stack_size,
-                 main_t entry, char *argv[])
+                 main_t entry, const char *argv[])
 #else
 STATUS task_init(FAR _TCB *tcb, const char *name, int priority,
-                 main_t entry, char *argv[])
+                 main_t entry, const char *argv[])
 #endif
 {
   STATUS ret;