diff --git a/tests/tcctest.c b/tests/tcctest.c
index 3af3d18..87e7ad1 100644
--- a/tests/tcctest.c
+++ b/tests/tcctest.c
@@ -1084,6 +1084,7 @@ void num(int n)
         printf("%c", *p);
     }
     printf("\n");
+    free(tab);
 }
 
 /* structure assignment tests */