diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-10/builder.sh b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-10/builder.sh
index 2574ecb73eec..4190e316421f 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-10/builder.sh
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-10/builder.sh
@@ -15,7 +15,7 @@ unpackPhase() {
 
 installPhase() {
     ensureDir $out/lib/mozilla/plugins
-    cp -p libflashplayer.so $out/lib/mozilla/plugins
+    cp -pv libflashplayer.so $out/lib/mozilla/plugins
     patchelf --set-rpath "$rpath" $out/lib/mozilla/plugins/libflashplayer.so
 }