diff --git a/kernel/init.c b/kernel/init.c
index 6d0b005963d..a395baa0556 100644
--- a/kernel/init.c
+++ b/kernel/init.c
@@ -92,6 +92,10 @@ void z_bss_zero(void)
 	(void)memset(&__dtcm_bss_start, 0,
 		     ((uint32_t) &__dtcm_bss_end - (uint32_t) &__dtcm_bss_start));
 #endif
+#if DT_NODE_HAS_STATUS(DT_CHOSEN(zephyr_ocm), okay)
+	(void)memset(&__ocm_bss_start, 0,
+		     ((uint32_t) &__ocm_bss_end - (uint32_t) &__ocm_bss_start));
+#endif
 #ifdef CONFIG_CODE_DATA_RELOCATION
 	extern void bss_zeroing_relocation(void);