1 files changed, 3 insertions, 4 deletions
diff --git a/src/env.c b/src/env.c
index fcf8b49..a530a36 100644
--- a/src/env.c
+++ b/src/env.c
@@ -64,11 +64,10 @@ void env_destroy(env_t env)
 
 env_t env_copy(env_t env)
 {
-    env->refs++;
+    if(env == ENV_EMPTY) return ENV_EMPTY;
     
-    if(env->parent) {
-        env_copy(env->parent);
-    }
+    env->refs++;
+    env_copy(env->parent);
 
     return env;
 }