diff --git a/src/core/varlink-execute.c b/src/core/varlink-execute.c
index 6f300fa7d3..35ea1b1330 100644
--- a/src/core/varlink-execute.c
+++ b/src/core/varlink-execute.c
@@ -54,7 +54,7 @@ static int json_append_mount_options(sd_json_variant **v, MountOptions *options)
                 return 0;
 
         for (PartitionDesignator j = 0; j < _PARTITION_DESIGNATOR_MAX; j++) {
-                if (!options->options[j])
+                if (isempty(options->options[j]))
                         continue;
 
                 r = sd_json_variant_append_arraybo(