diff --git a/crates/aiken-lang/src/ast.rs b/crates/aiken-lang/src/ast.rs
index 4c8da18d..51ba9e2d 100644
--- a/crates/aiken-lang/src/ast.rs
+++ b/crates/aiken-lang/src/ast.rs
@@ -766,7 +766,7 @@ impl<A, B> Pattern<A, B> {
 #[derive(Debug, Clone, PartialEq, Eq, Copy)]
 pub enum AssignmentKind {
     Let,
-    Assert,
+    Expect,
 }
 
 impl AssignmentKind {
@@ -775,7 +775,7 @@ impl AssignmentKind {
     }
 
     pub fn is_assert(&self) -> bool {
-        matches!(self, AssignmentKind::Assert)
+        matches!(self, AssignmentKind::Expect)
     }
 }
 
diff --git a/crates/aiken-lang/src/format.rs b/crates/aiken-lang/src/format.rs
index 6bb0a76c..8134340d 100644
--- a/crates/aiken-lang/src/format.rs
+++ b/crates/aiken-lang/src/format.rs
@@ -606,7 +606,7 @@ impl<'comments> Formatter<'comments> {
 
         let keyword = match kind {
             Some(AssignmentKind::Let) => "let ",
-            Some(AssignmentKind::Assert) => "assert ",
+            Some(AssignmentKind::Expect) => "assert ",
             None => "try ",
         };
 
diff --git a/crates/aiken-lang/src/parser.rs b/crates/aiken-lang/src/parser.rs
index e9163e21..4760e0c0 100644
--- a/crates/aiken-lang/src/parser.rs
+++ b/crates/aiken-lang/src/parser.rs
@@ -1038,7 +1038,7 @@ pub fn expr_parser(
                     location: span,
                     value: Box::new(value),
                     pattern,
-                    kind: ast::AssignmentKind::Assert,
+                    kind: ast::AssignmentKind::Expect,
                     annotation,
                 },
             );
diff --git a/crates/aiken-lang/src/tests/parser.rs b/crates/aiken-lang/src/tests/parser.rs
index e71f882e..3837ef73 100644
--- a/crates/aiken-lang/src/tests/parser.rs
+++ b/crates/aiken-lang/src/tests/parser.rs
@@ -369,7 +369,7 @@ fn expect() {
                             with_spread: false,
                             tipo: (),
                         },
-                        kind: ast::AssignmentKind::Assert,
+                        kind: ast::AssignmentKind::Expect,
                         annotation: None,
                     },
                     expr::UntypedExpr::FieldAccess {
diff --git a/crates/aiken-lang/src/tipo/error.rs b/crates/aiken-lang/src/tipo/error.rs
index 2c0fed74..9be75612 100644
--- a/crates/aiken-lang/src/tipo/error.rs
+++ b/crates/aiken-lang/src/tipo/error.rs
@@ -333,7 +333,7 @@ Perhaps, try the following:
     #[diagnostic(code("illegal::module_name"))]
     #[diagnostic(help(r#"You cannot use keywords as part of a module path name. As a quick reminder, here's a list of all the keywords (and thus, of invalid module path names):
 
-    as, assert, check, const, else, fn, if, is, let, opaque, pub, test, todo, trace, type, use, when"#))]
+    as, expect, check, const, else, fn, if, is, let, opaque, pub, test, todo, trace, type, use, when"#))]
     KeywordInModuleName { name: String, keyword: String },
 
     #[error("I discovered a function which is ending with an assignment.\n")]
diff --git a/crates/aiken-lang/src/tipo/expr.rs b/crates/aiken-lang/src/tipo/expr.rs
index 3787b991..fd0915fb 100644
--- a/crates/aiken-lang/src/tipo/expr.rs
+++ b/crates/aiken-lang/src/tipo/expr.rs
@@ -877,7 +877,7 @@ impl<'a, 'b> ExprTyper<'a, 'b> {
         // We currently only do limited exhaustiveness checking of custom types
         // at the top level of patterns.
         // Do not perform exhaustiveness checking if user explicitly used `assert`.
-        if kind != AssignmentKind::Assert {
+        if kind != AssignmentKind::Expect {
             if let Err(unmatched) = self.environment.check_exhaustiveness(
                 vec![pattern.clone()],
                 collapse_links(value_typ.clone()),
diff --git a/crates/aiken-lang/src/uplc.rs b/crates/aiken-lang/src/uplc.rs
index 15384e91..a2679763 100644
--- a/crates/aiken-lang/src/uplc.rs
+++ b/crates/aiken-lang/src/uplc.rs
@@ -1578,7 +1578,7 @@ impl<'a> CodeGenerator<'a> {
 
                 pattern_vec.append(value_vec);
 
-                if matches!(assignment_properties.kind, AssignmentKind::Assert)
+                if matches!(assignment_properties.kind, AssignmentKind::Expect)
                     && assignment_properties.value_type.is_data()
                     && !tipo.is_data()
                 {
@@ -1604,7 +1604,7 @@ impl<'a> CodeGenerator<'a> {
                 pattern_vec.append(value_vec);
             }
             list @ Pattern::List { .. } => {
-                if matches!(assignment_properties.kind, AssignmentKind::Assert)
+                if matches!(assignment_properties.kind, AssignmentKind::Expect)
                     && assignment_properties.value_type.is_data()
                     && !tipo.is_data()
                 {
@@ -1629,7 +1629,7 @@ impl<'a> CodeGenerator<'a> {
             }
             // TODO: Check constr for assert on all cases
             constr @ Pattern::Constructor { .. } => {
-                if matches!(assignment_properties.kind, AssignmentKind::Assert)
+                if matches!(assignment_properties.kind, AssignmentKind::Expect)
                     && assignment_properties.value_type.is_data()
                     && !tipo.is_data()
                 {
@@ -1653,7 +1653,7 @@ impl<'a> CodeGenerator<'a> {
                 }
             }
             tuple @ Pattern::Tuple { .. } => {
-                if matches!(assignment_properties.kind, AssignmentKind::Assert)
+                if matches!(assignment_properties.kind, AssignmentKind::Expect)
                     && assignment_properties.value_type.is_data()
                     && !tipo.is_data()
                 {
@@ -2503,7 +2503,7 @@ impl<'a> CodeGenerator<'a> {
                     let id = self.id_gen.next();
                     let list_name = format!("__list_{id}");
 
-                    if matches!(assignment_properties.kind, AssignmentKind::Assert)
+                    if matches!(assignment_properties.kind, AssignmentKind::Expect)
                         && assignment_properties.value_type.is_data()
                         && !tipo.is_data()
                     {
@@ -2556,7 +2556,7 @@ impl<'a> CodeGenerator<'a> {
                     let id = self.id_gen.next();
                     let constr_name = format!("{constr_name}_{id}");
 
-                    if matches!(assignment_properties.kind, AssignmentKind::Assert)
+                    if matches!(assignment_properties.kind, AssignmentKind::Expect)
                         && assignment_properties.value_type.is_data()
                         && !tipo.is_data()
                     {
@@ -2605,7 +2605,7 @@ impl<'a> CodeGenerator<'a> {
                     let id = self.id_gen.next();
                     let tuple_name = format!("__tuple_name_{id}");
 
-                    if matches!(assignment_properties.kind, AssignmentKind::Assert)
+                    if matches!(assignment_properties.kind, AssignmentKind::Expect)
                         && assignment_properties.value_type.is_data()
                         && !tipo.is_data()
                     {