diff --git a/src/flash/nor/stm32l4x.c b/src/flash/nor/stm32l4x.c
index e4d291e6d..8734aeb78 100644
--- a/src/flash/nor/stm32l4x.c
+++ b/src/flash/nor/stm32l4x.c
@@ -1646,7 +1646,10 @@ static int stm32l4_read_idcode(struct flash_bank *bank, uint32_t *id)
 
 	struct cortex_m_common *cortex_m = target_to_cm(bank->target);
 
-	if (cortex_m->core_info->partno == CORTEX_M0P_PARTNO && cortex_m->armv7m.debug_ap->ap_num == 1) {
+	/* CPU2 (Cortex-M0+) is supported only with non-hla adapters because it is on AP1.
+	 * Using HLA adapters armv7m.debug_ap is null, and checking ap_num triggers a segfault */
+	if (cortex_m->core_info->partno == CORTEX_M0P_PARTNO &&
+			cortex_m->armv7m.debug_ap && cortex_m->armv7m.debug_ap->ap_num == 1) {
 		uint32_t uid64_ids;
 
 		/* UID64 is contains
@@ -1954,7 +1957,10 @@ static int stm32l4_probe(struct flash_bank *bank)
 		page_size_kb = 2;
 		num_pages = flash_size_kb / page_size_kb;
 		stm32l4_info->bank1_sectors = num_pages;
-		if (armv7m->debug_ap->ap_num == 1)
+
+		/* CPU2 (Cortex-M0+) is supported only with non-hla adapters because it is on AP1.
+		 * Using HLA adapters armv7m->debug_ap is null, and checking ap_num triggers a segfault */
+		if (armv7m->debug_ap && armv7m->debug_ap->ap_num == 1)
 			stm32l4_info->flash_regs = stm32wl_cpu2_flash_regs;
 		break;
 	default: