diff --git a/pkgs/flatpak/com.github.rafostar.Clapper-nightly.json b/pkgs/flatpak/com.github.rafostar.Clapper-nightly.json
index 336f84d3..6d2de5b2 100644
--- a/pkgs/flatpak/com.github.rafostar.Clapper-nightly.json
+++ b/pkgs/flatpak/com.github.rafostar.Clapper-nightly.json
@@ -39,7 +39,7 @@
     },
     "modules": [
         "flathub/shared-modules/gudev/gudev.json",
-        "flathub/lib/liba52.json",
+        "testing/liba52.json",
         "flathub/lib/libmpeg2.json",
         "flathub/lib/libdv.json",
         "flathub/lib/libdvdcss.json",
diff --git a/pkgs/flatpak/com.github.rafostar.Clapper.json b/pkgs/flatpak/com.github.rafostar.Clapper.json
index dbb1b04c..2531ffac 100644
--- a/pkgs/flatpak/com.github.rafostar.Clapper.json
+++ b/pkgs/flatpak/com.github.rafostar.Clapper.json
@@ -31,7 +31,7 @@
     ],
     "modules": [
         "flathub/shared-modules/gudev/gudev.json",
-        "flathub/lib/liba52.json",
+        "testing/liba52.json",
         "flathub/lib/libmpeg2.json",
         "flathub/lib/libdv.json",
         "flathub/lib/libdvdcss.json",
diff --git a/pkgs/flatpak/testing/a52dec-configure-optflags.patch b/pkgs/flatpak/testing/a52dec-configure-optflags.patch
new file mode 100644
index 00000000..8752a62e
--- /dev/null
+++ b/pkgs/flatpak/testing/a52dec-configure-optflags.patch
@@ -0,0 +1,23 @@
+--- ./configure~	2002-07-28 06:50:42.000000000 +0300
++++ ./configure	2003-04-13 17:20:53.000000000 +0300
+@@ -5366,13 +5366,13 @@
+ 
+         case "$host" in
+     i?86-* | k?-*)
+-	case "$host" in
+-	i386-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=i386";;
+-	i486-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=i486";;
+-	i586-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=pentium";;
+-	i686-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=pentiumpro";;
+-	k6-*)   TRY_CFLAGS="$OPT_CFLAGS -mcpu=k6";;
+-	esac
++#	case "$host" in
++#	i386-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=i386";;
++#	i486-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=i486";;
++#	i586-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=pentium";;
++#	i686-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=pentiumpro";;
++#	k6-*)   TRY_CFLAGS="$OPT_CFLAGS -mcpu=k6";;
++#	esac
+ 	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC supports $TRY_CFLAGS $CFLAGS flags" >&5
+ printf %s "checking if $CC supports $TRY_CFLAGS $CFLAGS flags... " >&6; }
+    SAVE_CFLAGS="$CFLAGS"
diff --git a/pkgs/flatpak/testing/liba52.json b/pkgs/flatpak/testing/liba52.json
new file mode 100644
index 00000000..cfae355d
--- /dev/null
+++ b/pkgs/flatpak/testing/liba52.json
@@ -0,0 +1,24 @@
+{
+    "name": "liba52",
+    "config-opts": [ "--enable-shared", "--disable-static" ],
+    "rm-configure": true,
+    "cleanup": [ "/bin/*a52*" ],
+    "sources": [
+        {
+            "type": "archive",
+            "url": "https://distfiles.adelielinux.org/source/a52dec/a52dec-0.8.0.tar.gz",
+            "sha256": "03c181ce9c3fe0d2f5130de18dab9bd8bc63c354071515aa56983c74a9cffcc9"
+        },
+        {
+            "type": "patch",
+            "path": "a52dec-configure-optflags.patch"
+        },
+        {
+            "type": "script",
+            "commands": [
+                "autoreconf -fiv"
+            ],
+            "dest-filename": "autogen.sh"
+        }
+    ]
+}