diff --git a/internal/libwebp/a__cgo.go b/internal/libwebp/a__cgo.go
index 9335172..bcf9bac 100644
--- a/internal/libwebp/a__cgo.go
+++ b/internal/libwebp/a__cgo.go
@@ -3,5 +3,5 @@
 
 package libwebp
 
-// #cgo linux LDFLAGS: -lm
+// #cgo unix LDFLAGS: -lm
 import "C"