diff --git a/lib/licenses.nix b/lib/licenses.nix
index eef9c67068869a3..c557884459ed915 100644
--- a/lib/licenses.nix
+++ b/lib/licenses.nix
@@ -1223,6 +1223,13 @@ in mkLicense lset) ({
     fullName = "The Unlicense";
   };
 
+  unrar = {
+    fullName = "UnRAR - free utility for RAR archives: License for use and distribution of FREEWARE version";
+    # also contained the in the source of the unrar package
+    url = "https://fedoraproject.org/wiki/Licensing:Unrar";
+    free = false;
+  };
+
   upl = {
     spdxId = "UPL-1.0";
     fullName = "Universal Permissive License";
diff --git a/pkgs/applications/kde/ark/default.nix b/pkgs/applications/kde/ark/default.nix
index 815bee892d6de63..e91640e292b2f2e 100644
--- a/pkgs/applications/kde/ark/default.nix
+++ b/pkgs/applications/kde/ark/default.nix
@@ -32,7 +32,7 @@ mkDerivation {
     homepage = "https://apps.kde.org/ark/";
     description = "Graphical file compression/decompression utility";
     mainProgram = "ark";
-    license = with licenses; [ gpl2 lgpl3 ] ++ optional unfreeEnableUnrar unfree;
+    license = with licenses; [ gpl2 lgpl3 ] ++ optional unfreeEnableUnrar unrar;
     maintainers = [ maintainers.ttuegel ];
   };
 }
diff --git a/pkgs/applications/misc/calibre/default.nix b/pkgs/applications/misc/calibre/default.nix
index dcea5ecb52c9cc7..6bf3620e1907792 100644
--- a/pkgs/applications/misc/calibre/default.nix
+++ b/pkgs/applications/misc/calibre/default.nix
@@ -196,9 +196,8 @@ stdenv.mkDerivation (finalAttrs: {
       free and open source and great for both casual users and computer experts.
     '';
     changelog = "https://github.com/kovidgoyal/calibre/releases/tag/v${finalAttrs.version}";
-    license = if unrarSupport
-              then lib.licenses.unfreeRedistributable
-              else lib.licenses.gpl3Plus;
+    license = [ lib.licenses.gpl3Plus ]
+      ++ lib.optional unrarSupport lib.licenses.unrar;
     maintainers = with lib.maintainers; [ pSub ];
     platforms = lib.platforms.unix;
     broken = stdenv.isDarwin;
diff --git a/pkgs/by-name/un/unrar/package.nix b/pkgs/by-name/un/unrar/package.nix
index 6a71c63d9e2d7e5..4957c2d0b8010f5 100644
--- a/pkgs/by-name/un/unrar/package.nix
+++ b/pkgs/by-name/un/unrar/package.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation (finalAttrs: {
   meta = with lib; {
     description = "Utility for RAR archives";
     homepage = "https://www.rarlab.com/";
-    license = licenses.unfreeRedistributable;
+    license = licenses.unrar;
     mainProgram = "unrar";
     maintainers = with maintainers; [ wegank ];
     platforms = platforms.all;
diff --git a/pkgs/tools/archivers/7zz/default.nix b/pkgs/tools/archivers/7zz/default.nix
index 3408ce8c08d1ae9..9b2557819901cb3 100644
--- a/pkgs/tools/archivers/7zz/default.nix
+++ b/pkgs/tools/archivers/7zz/default.nix
@@ -118,8 +118,7 @@ stdenv.mkDerivation (finalAttrs: {
       # CPP/7zip/Compress/LzfseDecoder.cpp is bsd3
       [ lgpl2Plus /* and */ bsd3 ] ++
       # and CPP/7zip/Compress/Rar* are unfree with the unRAR license restriction
-      # the unRAR compression code is disabled by default
-      lib.optionals enableUnfree [ unfree ];
+      lib.optionals enableUnfree [ unrar ];
     maintainers = with lib.maintainers; [ anna328p eclairevoyant jk peterhoeg ];
     platforms = with lib.platforms; unix ++ windows;
     mainProgram = "7zz";
diff --git a/pkgs/tools/archivers/p7zip/default.nix b/pkgs/tools/archivers/p7zip/default.nix
index 3ced84bed025f4f..3c0462c1bfcde71 100644
--- a/pkgs/tools/archivers/p7zip/default.nix
+++ b/pkgs/tools/archivers/p7zip/default.nix
@@ -67,8 +67,7 @@ stdenv.mkDerivation (finalAttrs: {
       # CPP/7zip/Compress/LzfseDecoder.cpp is bsd3
       [ lgpl2Plus /* and */ bsd3 ] ++
       # and CPP/7zip/Compress/Rar* are unfree with the unRAR license restriction
-      # the unRAR compression code is disabled by default
-      lib.optionals enableUnfree [ unfree ];
+      lib.optionals enableUnfree [ unrar ];
     maintainers = with maintainers; [ raskin jk ];
     platforms = platforms.unix;
     mainProgram = "7z";