diff --git a/utils/dropstats.c b/utils/dropstats.c
index 5df7aa74c..1d8d40195 100644
--- a/utils/dropstats.c
+++ b/utils/dropstats.c
@@ -209,7 +209,7 @@ static struct option long_options[] = {
     [HELP_OPT_INDEX]    =   {"help",    no_argument,        &help_set,      1},
     [CORE_OPT_INDEX]    =   {"core",    required_argument,  &core_set,      1},
     [OFFL_OPT_INDEX]    =   {"offload", no_argument,        &offload_set,   1},
-    [MAX_OPT_INDEX]     =   {"NULL",    0,                  0,              0},
+    [MAX_OPT_INDEX]     =   {NULL,    0,                  0,              0},
 };
 
 static void
diff --git a/utils/vrmemstats.c b/utils/vrmemstats.c
index 40efdeb98..7ba57ee61 100644
--- a/utils/vrmemstats.c
+++ b/utils/vrmemstats.c
@@ -183,7 +183,7 @@ enum opt_index {
 
 static struct option long_options[] = {
     [HELP_OPT_INDEX]    =   {"help",    no_argument,        &help_set,      1},
-    [MAX_OPT_INDEX]     =   {"NULL",    0,                  0,              0},
+    [MAX_OPT_INDEX]     =   {NULL,    0,                  0,              0},
 };
 
 static void