diff --git a/pkgs/applications/networking/browsers/firefox-bin/default.nix b/pkgs/applications/networking/browsers/firefox-bin/default.nix
index 998ea95e8da6..4da970528d5a 100644
--- a/pkgs/applications/networking/browsers/firefox-bin/default.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/default.nix
@@ -30,7 +30,7 @@
 , nspr
 , nss
 , pango
-, heimdal
+, libheimdal
 , libpulseaudio
 , systemd
 }:
@@ -102,7 +102,7 @@ stdenv.mkDerivation {
       nspr
       nss
       pango
-      heimdal
+      libheimdal
       libpulseaudio
       systemd
     ] + ":" + stdenv.lib.makeSearchPath "lib64" [
diff --git a/pkgs/applications/office/zotero/firefox-bin/default.nix b/pkgs/applications/office/zotero/firefox-bin/default.nix
index 52751908fa71..edf56c3eb4db 100644
--- a/pkgs/applications/office/zotero/firefox-bin/default.nix
+++ b/pkgs/applications/office/zotero/firefox-bin/default.nix
@@ -30,7 +30,7 @@
 , nspr
 , nss
 , pango
-, heimdal
+, libheimdal
 , libpulseaudio
 , systemd
 }:
@@ -102,7 +102,7 @@ stdenv.mkDerivation {
       nspr
       nss
       pango
-      heimdal
+      libheimdal
       libpulseaudio
       systemd
     ] + ":" + stdenv.lib.makeSearchPath "lib64" [