diff --git a/platformio/builder/scripts/atmelsam.py b/platformio/builder/scripts/atmelsam.py
index 1a6f7d06..e9a24b10 100644
--- a/platformio/builder/scripts/atmelsam.py
+++ b/platformio/builder/scripts/atmelsam.py
@@ -95,6 +95,10 @@ else:
     )
 
 env.Append(
+    CXXFLAGS=[
+        "-fno-threadsafe-statics"
+    ],
+
     CPPDEFINES=[
         "USBCON",
         'USB_MANUFACTURER="PlatformIO"'
@@ -124,10 +128,6 @@ elif "zero" in env.subst("$BOARD"):
             "--param", "max-inline-insns-single=500"
         ],
 
-        CXXFLAGS=[
-            "-fno-threadsafe-statics"
-        ],
-
         LINKFLAGS=[
             "--specs=nosys.specs",
             "--specs=nano.specs"