diff --git a/src/app/shared/commands/mem.c b/src/app/shared/commands/mem.c
index 8ac10f447f7..aad09d4323a 100644
--- a/src/app/shared/commands/mem.c
+++ b/src/app/shared/commands/mem.c
@@ -20,7 +20,7 @@ reconstruct_topo( config_t *   config,
   if( !topo_name[0] ) return; /* keep default action topo */
 
   action_t const * selected = NULL;
-  for( action_t ** a=ACTIONS; a; a++ ) {
+  for( action_t ** a=ACTIONS; *a; a++ ) {
     action_t const * action = *a;
     if( 0==strcmp( action->name, topo_name ) ) {
       selected = action;
diff --git a/src/app/shared/commands/metrics.c b/src/app/shared/commands/metrics.c
index 3f175d2649c..883a689c6ec 100644
--- a/src/app/shared/commands/metrics.c
+++ b/src/app/shared/commands/metrics.c
@@ -27,7 +27,7 @@ reconstruct_topo( config_t *   config,
   if( !topo_name[0] ) return; /* keep default action topo */
 
   action_t const * selected = NULL;
-  for( action_t ** a=ACTIONS; a; a++ ) {
+  for( action_t ** a=ACTIONS; *a; a++ ) {
     action_t const * action = *a;
     if( 0==strcmp( action->name, topo_name ) ) {
       selected = action;