diff --git a/src/jsapi.c b/src/jsapi.c
index 8eb7372..b99f8ce 100644
--- a/src/jsapi.c
+++ b/src/jsapi.c
@@ -936,7 +936,8 @@ static const char* const JsKeywords [] =
 	"break", "do", "instanceof", "typeof", "case", "else", "new",
 	"var", "catch", "finally", "return", "void", "continue", "for",
 	"switch", "while", "debugger", "function", "this", "with",
-	"default", "if", "throw", "delete", "in", "try", "const"
+	"default", "if", "throw", "delete", "in", "try", "const",
+	"true", "false"
 };
 
 static inline bool isalnum_(char c) {return isalnum(c) || c == '_';}
@@ -1034,4 +1035,4 @@ const tic_script_config* getJsScriptConfig()
 
 s32 duk_timeout_check(void* udata){return 0;}
 
-#endif /* defined(TIC_BUILD_WITH_JS) */
\ No newline at end of file
+#endif /* defined(TIC_BUILD_WITH_JS) */