diff --git a/winpcap-loader/meson.build b/winpcap-loader/meson.build
index 715fc6c5b3..29e338068e 100644
--- a/winpcap-loader/meson.build
+++ b/winpcap-loader/meson.build
@@ -1,3 +1,3 @@
 if host_os == 'windows'
-  system_ss.add('loader.c')
+  system_ss.add(files('loader.c'))
 endif