diff --git a/CHANGELOG.md b/CHANGELOG.md
index cff6b52..fb26684 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * `hashbrown::hash_set` macro
 
+### Changed
+
+* Explicitly typed map macros: keys also cast now (before only values were 
+  casted)
+
 ### Removed
 
 * `map` macro
diff --git a/src/_std.rs b/src/_std.rs
index 47ced38..8e8990e 100644
--- a/src/_std.rs
+++ b/src/_std.rs
@@ -46,7 +46,7 @@ macro_rules! hash_map {
 #[macro_export]
 macro_rules! hash_map_e {
     {$($k: expr => $v: expr),* $(,)?} => {
-        ::std::collections::HashMap::from([$(($k, $v as _),)*])
+        ::std::collections::HashMap::from([$(($k as _, $v as _),)*])
     };
 }
 
@@ -96,7 +96,7 @@ macro_rules! btree_map {
 #[macro_export]
 macro_rules! btree_map_e {
     {$($k: expr => $v: expr),* $(,)?} => {
-        ::std::collections::BTreeMap::from([$(($k, $v as _),)*])
+        ::std::collections::BTreeMap::from([$(($k as _, $v as _),)*])
     };
 }
 
diff --git a/src/hashbrown.rs b/src/hashbrown.rs
index a972bd4..2979a09 100644
--- a/src/hashbrown.rs
+++ b/src/hashbrown.rs
@@ -71,7 +71,7 @@ macro_rules! __hb_hash_map {
 #[macro_export]
 macro_rules! __hb_hash_map_e {
     {$($k: expr => $v: expr),* $(,)?} => {
-        <::hashbrown::HashMap::<_, _> as ::core::iter::FromIterator<_>>::from_iter([$(($k, $v as _),)*])
+        <::hashbrown::HashMap::<_, _> as ::core::iter::FromIterator<_>>::from_iter([$(($k as _, $v as _),)*])
     };
 }