diff --git a/www/firefox/files/patch-gfx_skia_skia_src_base_SkEndian.h b/www/firefox/files/patch-gfx_skia_skia_src_base_SkEndian.h
new file mode 100644
index 000000000000..656127071a78
--- /dev/null
+++ b/www/firefox/files/patch-gfx_skia_skia_src_base_SkEndian.h
@@ -0,0 +1,11 @@
+--- gfx/skia/skia/src/base/SkEndian.h.orig	2023-06-16 01:32:16.999830000 +0200
++++ gfx/skia/skia/src/base/SkEndian.h	2023-06-16 01:32:41.701673000 +0200
+@@ -131,7 +131,7 @@
+     #define SkTEndian_SwapLE64(n)    (n)
+ #else   // SK_CPU_BENDIAN
+     #define SkEndian_SwapBE16(n)    (n)
+-    #define SkEndian_SwapBE32(n)    (n)
++    #define SkEndian_SwapBE32(n)    uint32_t(n)
+     #define SkEndian_SwapBE64(n)    (n)
+     #define SkEndian_SwapLE16(n)    SkEndianSwap16(n)
+     #define SkEndian_SwapLE32(n)    SkEndianSwap32(n)