diff --git a/arch/arm/src/stm32/stm32_bbsram.c b/arch/arm/src/stm32/stm32_bbsram.c
index e35f5e05a7..81c49340ae 100644
--- a/arch/arm/src/stm32/stm32_bbsram.c
+++ b/arch/arm/src/stm32/stm32_bbsram.c
@@ -593,8 +593,9 @@ static int stm32_bbsram_ioctl(FAR struct file *filep, int cmd,
           bbrr->fileno = bbr->bbf->fileno;
           bbrr->lastwrite = bbr->bbf->lastwrite;
           bbrr->len = bbr->bbf->len;
-          bbrr->flags = (bbr->bbf->crc == stm32_bbsram_crc(bbr->bbf)) ? eCRCValid : 0;
-          bbrr->flags = (bbr->bbf->dirty) ? eDirty : 0;
+          bbrr->flags = ((bbr->bbf->crc == stm32_bbsram_crc(bbr->bbf))
+                          ? BBSRAM_CRC_VALID : 0);
+          bbrr->flags |= ((bbr->bbf->dirty) ? BBSRAM_DIRTY : 0);
           ret = OK;
         }
 
diff --git a/arch/arm/src/stm32/stm32_bbsram.h b/arch/arm/src/stm32/stm32_bbsram.h
index 69d0046f5c..536273f115 100644
--- a/arch/arm/src/stm32/stm32_bbsram.h
+++ b/arch/arm/src/stm32/stm32_bbsram.h
@@ -83,8 +83,8 @@
 
 enum bbsramdf_e
 {
-  eCRCValid = 1,  /* The crc is valid */
-  eDirty    = 2,  /* The file was closed */
+  BBSRAM_CRC_VALID = 1,  /* The crc is valid */
+  BBSRAM_DIRTY     = 2,  /* The file was closed */
 
 };