diff --git a/src/check_expr.cpp b/src/check_expr.cpp
index 4618bf969..1fc6eeb52 100644
--- a/src/check_expr.cpp
+++ b/src/check_expr.cpp
@@ -1794,6 +1794,13 @@ gb_internal bool check_unary_op(CheckerContext *c, Operand *o, Token op) {
 		gb_string_free(str);
 		return false;
 	}
+	if (o->mode == Addressing_Type) {
+		gbString str = type_to_string(o->type);
+		error(o->expr, "Expected an expression for operator '%.*s', got type '%s'", LIT(op.string), str);
+		gb_string_free(str);
+		return false;
+	}
+
 	Type *type = base_type(core_array_type(o->type));
 	gbString str = nullptr;
 	switch (op.kind) {