diff --git a/lib/src/dbs/variables.rs b/lib/src/dbs/variables.rs
index 8a3b07ad..a046f9f9 100644
--- a/lib/src/dbs/variables.rs
+++ b/lib/src/dbs/variables.rs
@@ -1,8 +1,8 @@
 use crate::ctx::Context;
 use crate::sql::value::Value;
-use std::collections::HashMap;
+use std::collections::BTreeMap;
 
-pub type Variables = Option<HashMap<String, Value>>;
+pub type Variables = Option<BTreeMap<String, Value>>;
 
 pub(crate) trait Attach {
 	fn attach(self, ctx: Context) -> Context;
diff --git a/src/mac/mod.rs b/src/mac/mod.rs
index 739dac56..85307b3d 100644
--- a/src/mac/mod.rs
+++ b/src/mac/mod.rs
@@ -1,6 +1,6 @@
 macro_rules! map {
     ($($k:expr => $v:expr),* $(,)?) => {{
-        let mut m = ::std::collections::HashMap::new();
+        let mut m = ::std::collections::BTreeMap::new();
         $(m.insert($k, $v);)+
         m
     }};