diff --git a/drivers/png/SCsub b/drivers/png/SCsub
index 3f8e29c78a..9dbffeed1f 100644
--- a/drivers/png/SCsub
+++ b/drivers/png/SCsub
@@ -27,7 +27,7 @@ png_sources = [
 import os
 if ("neon_enabled" in env and env["neon_enabled"]) and os.name!="nt":
 	env_drivers.Append(CPPFLAGS=["-DPNG_ARM_NEON_OPT=2"])
-	env_neon = env.Clone();
+	env_neon = env_drivers.Clone();
 	if "S_compiler" in env:
 		env_neon['CC'] = env['S_compiler']
 	#env_neon.Append(CPPFLAGS=["-DPNG_ARM_NEON"])