diff --git a/src/hooks.rs b/src/hooks.rs
index 3ca3345..3131462 100644
--- a/src/hooks.rs
+++ b/src/hooks.rs
@@ -243,15 +243,15 @@ mod test {
         let db = Connection::open_in_memory().unwrap();
 
         lazy_static! {
-            static ref called: AtomicBool = AtomicBool::new(false);
+            static ref CALLED: AtomicBool = AtomicBool::new(false);
         }
         db.commit_hook(Some(|| {
-            called.store(true, Ordering::Relaxed);
+            CALLED.store(true, Ordering::Relaxed);
             false
         }));
         db.execute_batch("BEGIN; CREATE TABLE foo (t TEXT); COMMIT;")
             .unwrap();
-        assert!(called.load(Ordering::Relaxed));
+        assert!(CALLED.load(Ordering::Relaxed));
     }
 
     #[test]
@@ -272,14 +272,14 @@ mod test {
         let db = Connection::open_in_memory().unwrap();
 
         lazy_static! {
-            static ref called: AtomicBool = AtomicBool::new(false);
+            static ref CALLED: AtomicBool = AtomicBool::new(false);
         }
         db.rollback_hook(Some(|| {
-            called.store(true, Ordering::Relaxed);
+            CALLED.store(true, Ordering::Relaxed);
         }));
         db.execute_batch("BEGIN; CREATE TABLE foo (t TEXT); ROLLBACK;")
             .unwrap();
-        assert!(called.load(Ordering::Relaxed));
+        assert!(CALLED.load(Ordering::Relaxed));
     }
 
     #[test]
@@ -287,17 +287,17 @@ mod test {
         let db = Connection::open_in_memory().unwrap();
 
         lazy_static! {
-            static ref called: AtomicBool = AtomicBool::new(false);
+            static ref CALLED: AtomicBool = AtomicBool::new(false);
         }
         db.update_hook(Some(|action, db: &str, tbl: &str, row_id| {
             assert_eq!(Action::SQLITE_INSERT, action);
             assert_eq!("main", db);
             assert_eq!("foo", tbl);
             assert_eq!(1, row_id);
-            called.store(true, Ordering::Relaxed);
+            CALLED.store(true, Ordering::Relaxed);
         }));
         db.execute_batch("CREATE TABLE foo (t TEXT)").unwrap();
         db.execute_batch("INSERT INTO foo VALUES ('lisa')").unwrap();
-        assert!(called.load(Ordering::Relaxed));
+        assert!(CALLED.load(Ordering::Relaxed));
     }
 }
diff --git a/src/session.rs b/src/session.rs
index 06ad8a7..70a9f53 100644
--- a/src/session.rs
+++ b/src/session.rs
@@ -797,19 +797,19 @@ mod test {
             .unwrap();
 
         lazy_static! {
-            static ref called: AtomicBool = AtomicBool::new(false);
+            static ref CALLED: AtomicBool = AtomicBool::new(false);
         }
         db.apply(
             &changeset,
             None::<fn(&str) -> bool>,
             |_conflict_type, _item| {
-                called.store(true, Ordering::Relaxed);
+                CALLED.store(true, Ordering::Relaxed);
                 ConflictAction::SQLITE_CHANGESET_OMIT
             },
         )
         .unwrap();
 
-        assert!(!called.load(Ordering::Relaxed));
+        assert!(!CALLED.load(Ordering::Relaxed));
         let check = db
             .query_row("SELECT 1 FROM foo WHERE t = ?", &["bar"], |row| {
                 row.get::<_, i32>(0)
@@ -822,7 +822,7 @@ mod test {
             &changeset,
             None::<fn(&str) -> bool>,
             |conflict_type, item| {
-                called.store(true, Ordering::Relaxed);
+                CALLED.store(true, Ordering::Relaxed);
                 assert_eq!(ConflictType::SQLITE_CHANGESET_CONFLICT, conflict_type);
                 let conflict = item.conflict(0).unwrap();
                 assert_eq!(Ok("bar"), conflict.as_str());
@@ -830,7 +830,7 @@ mod test {
             },
         )
         .unwrap();
-        assert!(called.load(Ordering::Relaxed));
+        assert!(CALLED.load(Ordering::Relaxed));
     }
 
     #[test]