diff --git a/polkit-libmozjs.patch b/polkit-libmozjs.patch
new file mode 100644
index 0000000..5f05496
--- /dev/null
+++ b/polkit-libmozjs.patch
@@ -0,0 +1,28 @@
+From a6747362693a91f8cfa3bd5e619cf91e2e03941b Mon Sep 17 00:00:00 2001
+From: David Zeuthen <zeuthen@gmail.com>
+Date: Thu, 15 Nov 2012 15:09:06 +0000
+Subject: Don't require libmozjs185 devel packages for polkit rules to work
+
+The SO-name rules for SpiderMonkey are a little bit weird and we were
+opening wrong file. This problem was reported in
+
+ https://bugs.freedesktop.org/show_bug.cgi?id=57146
+
+Signed-off-by: David Zeuthen <zeuthen@gmail.com>
+---
+diff --git a/src/polkitbackend/polkitbackendjsauthority.c b/src/polkitbackend/polkitbackendjsauthority.c
+index 034edc4..e4aa46b 100644
+--- a/src/polkitbackend/polkitbackendjsauthority.c
++++ b/src/polkitbackend/polkitbackendjsauthority.c
+@@ -238,7 +238,7 @@ djs_init (PolkitBackendJsAuthority *authority)
+   guint n;
+   const gchar *library_name;
+ 
+-  library_name = "libmozjs185.so";
++  library_name = "libmozjs185.so.1.0";
+   module = g_module_open (library_name, 0);
+   if (module == NULL)
+     goto out;
+--
+cgit v0.9.0.2-2-gbebe
+
diff --git a/polkit.changes b/polkit.changes
index 887c548..9b6e97e 100644
--- a/polkit.changes
+++ b/polkit.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Dec 10 07:45:47 UTC 2012 - dimstar@opensuse.org
+
+- Add polkit-libmozjs.patch: dlopen libmozjs185.so.1.0 instead of
+  libmozjs185.so, which is packaged in the -devel package
+  (bnc#793562)
+
 -------------------------------------------------------------------
 Thu Nov 15 21:31:19 UTC 2012 - dimstar@opensuse.org
 
diff --git a/polkit.spec b/polkit.spec
index c592377..357793e 100644
--- a/polkit.spec
+++ b/polkit.spec
@@ -39,6 +39,8 @@ Patch1:         polkit-suid_flags.patch
 Patch2:         polkit-no-systemd.patch
 # PATCH-FIX-UPSTREAM polkit-link-gmodule.patch dimstar@opensuse.org -- Link against gmodule-2.0. Patch taken from upstream git.
 Patch3:         polkit-link-gmodule.patch
+# PATCH-FIX-UPSTREAM polkit-libmozjs.patch bnc#793562 fdo#57146 dimstar@opensuse.org -- dlopen libmozjs185.so.1.0 instead of libmozjs185.so, taken from upstream git.
+Patch4:         polkit-libmozjs.patch
 # needed for patch1
 BuildRequires:  autoconf
 # needed for patch1
@@ -129,6 +131,7 @@ This package provides the GObject Introspection bindings for PolicyKit.
 %patch2 -p1
 %endif
 %patch3 -p1
+%patch4 -p1
 
 %build
 export V=1