diff --git a/core/lexer.c b/core/lexer.c
index bc40542..a9ffac1 100644
--- a/core/lexer.c
+++ b/core/lexer.c
@@ -180,6 +180,11 @@ lexer_check_kw(struct cescal_state *state, struct token *res)
         }
 
         break;
+    case 'r':
+        if (strcmp(res->s, "return") == 0) {
+            res->type = TT_RETURN;
+            return;
+        }
     }
 }