diff --git a/cgo_darwin_arm64.go b/cgo_darwin_arm64.go
index ea64523..748bf79 100644
--- a/cgo_darwin_arm64.go
+++ b/cgo_darwin_arm64.go
@@ -1,6 +1,6 @@
 //go:build darwin && arm64
 
-package fltk
+package fltk_go
 
 // #cgo darwin,arm64 CXXFLAGS: -std=c++11
 // #cgo darwin,arm64 CPPFLAGS: -I${SRCDIR}/lib/darwin/arm64 -I${SRCDIR}/include -I${SRCDIR}/include/FL/images -I${SRCDIR}/include/png -I${SRCDIR}/include/zlib -I${SRCDIR}/include/jpeg -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_THREAD_SAFE -D_REENTRANT
diff --git a/config/config.go b/config/config.go
index 3a9c16a..5d6999f 100644
--- a/config/config.go
+++ b/config/config.go
@@ -2,5 +2,5 @@ package config
 
 const (
 	ProjectName    = "fltk_go"
-	ProjectVersion = "v0.0.20"
+	ProjectVersion = "v0.0.19"
 )