diff --git a/pkgs/development/libraries/openal-soft/default.nix b/pkgs/development/libraries/openal-soft/default.nix
index 2d469a406dec..01251f0b3ac9 100644
--- a/pkgs/development/libraries/openal-soft/default.nix
+++ b/pkgs/development/libraries/openal-soft/default.nix
@@ -10,21 +10,21 @@ assert alsaSupport -> alsa-lib != null;
 assert pulseSupport -> libpulseaudio != null;
 
 stdenv.mkDerivation rec {
-  version = "1.19.1";
+  version = "1.21.1";
   pname = "openal-soft";
 
   src = fetchFromGitHub {
     owner = "kcat";
     repo = "openal-soft";
-    rev = "${pname}-${version}";
-    sha256 = "0b0g0q1c36nfb289xcaaj3cmyfpiswvvgky3qyalsf9n4dj7vnzi";
+    rev = version;
+    sha256 = "sha256-rgc6kjXaZb6sCR+e9Gu7BEEHIiCHMygpLIeSqgWkuAg=";
   };
 
   # this will make it find its own data files (e.g. HRTF profiles)
   # without any other configuration
   patches = [ ./search-out.patch ];
   postPatch = ''
-    substituteInPlace Alc/helpers.c \
+    substituteInPlace alc/helpers.cpp \
       --replace "@OUT@" $out
   '';
 
diff --git a/pkgs/development/libraries/openal-soft/search-out.patch b/pkgs/development/libraries/openal-soft/search-out.patch
index 0f9c2abad3c3..796642aa3c89 100644
--- a/pkgs/development/libraries/openal-soft/search-out.patch
+++ b/pkgs/development/libraries/openal-soft/search-out.patch
@@ -1,12 +1,12 @@
-diff -Nuar a/Alc/helpers.c b/Alc/helpers.c
---- a/Alc/helpers.c	1970-01-01 00:00:01.000000000 +0000
-+++ b/Alc/helpers.c	1970-01-01 00:00:02.000000000 +0000
-@@ -951,6 +951,8 @@
-             }
-         }
+diff --git a/alc/helpers.cpp b/alc/helpers.cpp
+index 8c1c856..19bbc0f 100644
+--- a/alc/helpers.cpp
++++ b/alc/helpers.cpp
+@@ -402,6 +402,7 @@ al::vector<std::string> SearchDataFiles(const char *ext, const char *subdir)
  
-+        DirectorySearch("@OUT@/share", ext, &results);
-+
-         alstr_reset(&path);
+         DirectorySearch(path.c_str(), ext, &results);
      }
++    DirectorySearch("@OUT@/share/", ext, &results);
  
+     return results;
+ }