diff --git a/pkgs/applications/networking/browsers/firefox-bin/default.nix b/pkgs/applications/networking/browsers/firefox-bin/default.nix
index 29a506dd1b03..8df80ab526a6 100644
--- a/pkgs/applications/networking/browsers/firefox-bin/default.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/default.nix
@@ -190,6 +190,8 @@ stdenv.mkDerivation {
       ln -s ${policiesJson} "$out/lib/firefox-bin-${version}/distribution/policies.json";
     '';
 
+  passthru.applicationName = "firefox";
+  passthru.libName = "firefox-bin-${version}";
   passthru.execdir = "/bin";
   passthru.ffmpegSupport = true;
   passthru.gssSupport = true;
diff --git a/pkgs/applications/networking/browsers/firefox/wrapper.nix b/pkgs/applications/networking/browsers/firefox/wrapper.nix
index 9a4c3edfef36..b428687025d1 100644
--- a/pkgs/applications/networking/browsers/firefox/wrapper.nix
+++ b/pkgs/applications/networking/browsers/firefox/wrapper.nix
@@ -42,7 +42,7 @@ let
     # https://github.com/mozilla/policy-templates#enterprisepoliciesenabled
     , extraPolicies ? {}
     , extraPoliciesFiles ? []
-    , libName ? "firefox" # Important for tor package or the like
+    , libName ? browser.libName or "firefox" # Important for tor package or the like
     , nixExtensions ? null
     }:
 
@@ -202,8 +202,8 @@ let
 
         find . -type f \( -not -name "${applicationName}" \) -exec ln -sT "${browser}"/{} "$out"/{} \;
 
-        find . -type f -name "${applicationName}" -print0 | while read -d $'\0' f; do
-          cp -P --no-preserve=mode,ownership "${browser}/$f" "$out/$f"
+        find . -type f \( -name "${applicationName}" -o -name "${applicationName}-bin" \) -print0 | while read -d $'\0' f; do
+          cp -P --no-preserve=mode,ownership --remove-destination "${browser}/$f" "$out/$f"
           chmod a+rwx "$out/$f"
         done
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5af9bd041916..1b32408b890f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -25709,9 +25709,7 @@ with pkgs;
   };
 
   firefox-bin = wrapFirefox firefox-bin-unwrapped {
-    applicationName = "firefox";
     pname = "firefox-bin";
-    desktopName = "Firefox";
   };
 
   firefox-beta-bin-unwrapped = firefox-bin-unwrapped.override {
@@ -25721,7 +25719,6 @@ with pkgs;
   };
 
   firefox-beta-bin = res.wrapFirefox firefox-beta-bin-unwrapped {
-    applicationName = "firefox";
     pname = "firefox-beta-bin";
     desktopName = "Firefox Beta";
   };
@@ -25733,7 +25730,6 @@ with pkgs;
   };
 
   firefox-devedition-bin = res.wrapFirefox firefox-devedition-bin-unwrapped {
-    applicationName = "firefox";
     nameSuffix = "-devedition";
     pname = "firefox-devedition-bin";
     desktopName = "Firefox DevEdition";