diff --git a/SConstruct b/SConstruct
index b3d033dc90..04b8dcc832 100644
--- a/SConstruct
+++ b/SConstruct
@@ -62,10 +62,9 @@ elif platform_arg == "javascript":
     custom_tools = ["cc", "c++", "ar", "link", "textfile", "zip"]
 
 env_base = Environment(tools=custom_tools)
-if "TERM" in os.environ:
-    env_base["ENV"]["TERM"] = os.environ["TERM"]
-env_base.AppendENVPath("PATH", os.getenv("PATH"))
-env_base.AppendENVPath("PKG_CONFIG_PATH", os.getenv("PKG_CONFIG_PATH"))
+for k in ("TERM", "PATH", "PKG_CONFIG_PATH"):
+    if (k in os.environ):
+        env_base["ENV"][k] = os.environ[k]
 env_base.disabled_modules = []
 env_base.use_ptrcall = False
 env_base.module_version_string = ""