diff --git a/data/extra/family/STM32WB.yaml b/data/extra/family/STM32WB.yaml
index 38a6f55..a72291a 100644
--- a/data/extra/family/STM32WB.yaml
+++ b/data/extra/family/STM32WB.yaml
@@ -2,6 +2,3 @@ peripherals:
     VREFINTCAL: 
         address: 0x1FFF75AA
         block: vrefintcal_v1/VREFINTCAL
-    FLASH:
-        address: 0x58004000
-        block: flash_wb55/FLASH
diff --git a/stm32data/__main__.py b/stm32data/__main__.py
index 1d12b53..3fdc17c 100755
--- a/stm32data/__main__.py
+++ b/stm32data/__main__.py
@@ -292,7 +292,7 @@ ghost_peris = [
 
 alt_peri_defines = {
     'DBGMCU': ['DBGMCU_BASE', 'DBG_BASE'],
-    'FLASH': ['FLASH_R_BASE'],
+    'FLASH': ['FLASH_R_BASE', 'FLASH_REG_BASE'],
     'ADC_COMMON': ['ADC_COMMON', 'ADC1_COMMON', 'ADC12_COMMON', 'ADC123_COMMON'],
     'CAN': ['CAN_BASE', 'CAN1_BASE'],
     'FMC': ['FMC_BASE', 'FMC_R_BASE']