diff --git a/pkgs/applications/networking/sniffers/wireshark/default.nix b/pkgs/applications/networking/sniffers/wireshark/default.nix
index aafea4cae0e4..a80ee39d368d 100644
--- a/pkgs/applications/networking/sniffers/wireshark/default.nix
+++ b/pkgs/applications/networking/sniffers/wireshark/default.nix
@@ -195,7 +195,7 @@ stdenv.mkDerivation rec {
       flags+=(-change @rpath/"$(basename "$file")" "$file")
     done
 
-    for file in $out/lib/wireshark/extcap/*; do
+    for file in $out/libexec/wireshark/extcap/*; do
       if [ -L "$file" ]; then continue; fi
       echo "$file: fixing dylib references"
       # note that -id does nothing on binaries
@@ -213,7 +213,7 @@ stdenv.mkDerivation rec {
     rm -rf $out/Applications/Wireshark.app/Contents/MacOS/extcap $out/Applications/Wireshark.app/Contents/PlugIns
     mkdir -p $out/Applications/Wireshark.app/Contents/PlugIns
     cp -r $out/lib/wireshark/plugins $out/Applications/Wireshark.app/Contents/PlugIns/wireshark
-    cp -r $out/lib/wireshark/extcap $out/Applications/Wireshark.app/Contents/MacOS/extcap
+    cp -r $out/libexec/wireshark/extcap $out/Applications/Wireshark.app/Contents/MacOS/extcap
   '';
 
   meta = {