diff --git a/os/ports/GCC/ARMCMx/crt0.c b/os/ports/GCC/ARMCMx/crt0.c
index 4ac08ecdb..c1d32ba84 100644
--- a/os/ports/GCC/ARMCMx/crt0.c
+++ b/os/ports/GCC/ARMCMx/crt0.c
@@ -275,9 +275,6 @@ void ResetHandler(void) {
   asm volatile ("msr     CONTROL, %0" : : "r" (reg));
   asm volatile ("isb");
 
-  /* Early initialization hook invocation.*/
-  __early_init();
-
 #if CRT0_INIT_STACKS
   /* Main and Process stacks initialization.*/
   fill32(&__main_stack_base__,
@@ -288,6 +285,9 @@ void ResetHandler(void) {
          CRT0_STACKS_FILL_PATTERN);
 #endif
 
+  /* Early initialization hook invocation.*/
+  __early_init();
+
 #if CRT0_INIT_DATA
   /* DATA segment initialization.*/
   {