diff --git a/os/various/shell.h b/os/various/shell.h
index 17ce2312b..29d20db5e 100644
--- a/os/various/shell.h
+++ b/os/various/shell.h
@@ -71,7 +71,9 @@ extern "C" {
 #endif
   void shellInit(void);
   void shellExit(msg_t msg);
+#if CH_CFG_USE_HEAP && CH_CFG_USE_DYNAMIC
   thread_t *shellCreate(const ShellConfig *scp, size_t size, tprio_t prio);
+#endif
   thread_t *shellCreateStatic(const ShellConfig *scp, void *wsp,
                               size_t size, tprio_t prio);
   bool shellGetLine(BaseSequentialStream *chp, char *line, unsigned size);