diff --git a/programs/ziti-edge-tunnel/config-utils.c b/programs/ziti-edge-tunnel/config-utils.c
index 1971dbef..69753a8a 100644
--- a/programs/ziti-edge-tunnel/config-utils.c
+++ b/programs/ziti-edge-tunnel/config-utils.c
@@ -29,7 +29,7 @@
 static char* identifier_path = NULL;
 
 char* get_system_config_path(const char* base_dir) {
-    char actual_base_path[PATH_MAX];
+    char actual_base_path[FILENAME_MAX];
     realpath(base_dir, actual_base_path);
 
     char* config_path = malloc(FILENAME_MAX * sizeof(char));
diff --git a/programs/ziti-edge-tunnel/instance-config.c b/programs/ziti-edge-tunnel/instance-config.c
index 1d172b22..d1c4627b 100644
--- a/programs/ziti-edge-tunnel/instance-config.c
+++ b/programs/ziti-edge-tunnel/instance-config.c
@@ -43,7 +43,7 @@ void initialize_instance_config(const char* config_dir) {
         return;
     }
 
-    char actual_config_dir[PATH_MAX];
+    char actual_config_dir[FILENAME_MAX];
     realpath(config_dir, actual_config_dir);
 
     base_dir = strdup(actual_config_dir); //save the location of the config dir