diff --git a/frontend/platform/platform_psp.c b/frontend/platform/platform_psp.c
index fd4ec3c3b2..1d9c94b400 100644
--- a/frontend/platform/platform_psp.c
+++ b/frontend/platform/platform_psp.c
@@ -57,13 +57,13 @@ static void get_environment_settings(int argc, char *argv[])
    fill_pathname_basedir(default_paths.port_dir, argv[0], sizeof(default_paths.port_dir));
    RARCH_LOG("port dir: [%s]\n", default_paths.port_dir);
 
-   snprintf(default_paths.core_dir, sizeof(default_paths.core_dir), "%s/cores", default_paths.port_dir);
-   snprintf(default_paths.savestate_dir, sizeof(default_paths.savestate_dir), "%s/savestates", default_paths.core_dir);
-   snprintf(default_paths.sram_dir, sizeof(default_paths.sram_dir), "%s/savefiles", default_paths.core_dir);
-   snprintf(default_paths.system_dir, sizeof(default_paths.system_dir), "%s/system", default_paths.core_dir);
+   fill_pathname_join(default_paths.core_dir, default_paths.port_dir, "cores", sizeof(default_paths.core_dir));
+   fill_pathname_join(default_paths.savestate_dir, default_paths.core_dir, "savestates", sizeof(default_paths.savestate_dir));
+   fill_pathname_join(default_paths.sram_dir, default_paths.core_dir, "savefiles", sizeof(default_paths.sram_dir));
+   fill_pathname_join(default_paths.system_dir, default_paths.core_dir, "system", sizeof(default_paths.system_dir));
 
    /* now we fill in all the variables */
-   snprintf(g_extern.config_path, sizeof(g_extern.config_path), "%s/retroarch.cfg", default_paths.port_dir);
+   fill_pathname_join(g_extern.config_path, default_paths.port_dir, "retroarch.cfg", sizeof(g_extern.config_path));
 }
 
 int callback_thread(SceSize args, void *argp)