diff --git a/src/frontend/spiceif.c b/src/frontend/spiceif.c
index d0cf6fd83..29020fd9c 100644
--- a/src/frontend/spiceif.c
+++ b/src/frontend/spiceif.c
@@ -962,6 +962,9 @@ parmtovar(IFvalue *pv, IFparm *opt)
 {
     /* It is not clear whether we want to name the variable
      *   by `keyword' or by `description' */
+    /* FIXME to remove a memory leak, we have to free pv.
+       Are we shure that pv was everywhere generated by a TMALLOC
+       (like in vsrcask.c:53)? Is it used elsewhere ?  What about opt? */
 
     switch (opt->dataType & IF_VARTYPES) {
     case IF_INTEGER: