diff --git a/lexer.c b/lexer.c
index d8fcf2e..9956e0f 100644
--- a/lexer.c
+++ b/lexer.c
@@ -155,6 +155,9 @@ void lex_close(lex_file *lex)
         mem_d(lex->frames[i].name);
     MEM_VECTOR_CLEAR(lex, frames);
 
+    if (lex->modelname)
+        mem_d(lex->modelname);
+
     if (lex->file)
         fclose(lex->file);
     if (lex->tok)