diff --git a/src/mdbx_chk.c b/src/mdbx_chk.c
index 47abad47..9993334b 100644
--- a/src/mdbx_chk.c
+++ b/src/mdbx_chk.c
@@ -678,7 +678,7 @@ static int process_db(MDBX_dbi dbi_handle, char *dbi_name, visitor *handler,
       if (!dbi_name ||
           rc !=
               MDBX_INCOMPATIBLE) /* LY: mainDB's record is not a user's DB. */ {
-        error("mdbx_open '%s' failed, error %d %s\n",
+        error("mdbx_dbi_open '%s' failed, error %d %s\n",
               dbi_name ? dbi_name : "main", rc, mdbx_strerror(rc));
       }
       return rc;
diff --git a/src/mdbx_drop.c b/src/mdbx_drop.c
index 4f9dfea4..232f3d16 100644
--- a/src/mdbx_drop.c
+++ b/src/mdbx_drop.c
@@ -167,7 +167,7 @@ int main(int argc, char *argv[]) {
 
   rc = mdbx_dbi_open(txn, subname, MDBX_DB_ACCEDE, &dbi);
   if (unlikely(rc != MDBX_SUCCESS)) {
-    error("mdbx_open", rc);
+    error("mdbx_dbi_open", rc);
     goto txn_abort;
   }