diff --git a/extra/webkit2gtk/PKGBUILD b/extra/webkit2gtk/PKGBUILD
index 6b08f266a..fbe225373 100644
--- a/extra/webkit2gtk/PKGBUILD
+++ b/extra/webkit2gtk/PKGBUILD
@@ -3,6 +3,7 @@
 
 # ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
 #  - do not use LLINT assembly for v5/v6
+#  - patch from Fedora to fix ARM FTBFS
 
 highmem=1
 
@@ -20,15 +21,18 @@ optdepends=('gtk2: Netscape plugin support'
             'gst-plugins-base: free media decoding'
             'gst-plugins-good: media decoding'
             'gst-libav: nonfree media decoding')
-source=(https://webkitgtk.org/releases/webkitgtk-${pkgver}.tar.xz{,.asc})
+source=(https://webkitgtk.org/releases/webkitgtk-${pkgver}.tar.xz{,.asc}
+        webkit-jsc-use-ternary-operator.patch)
 sha256sums=('fa42b54a98831405c8a3e7f40371eec3f0bd5cdbb124813a5e329e7a9f8c6f2a'
-            'SKIP')
+            'SKIP'
+            'f96413b556f66bd456e21e272d3cee18cb3e98a69953d76d7137a1c38b6b517d')
 validpgpkeys=('D7FCF61CF9A2DEAB31D81BD3F3D322D0EC4582C3')
 
 prepare() {
   mkdir build
   cd webkitgtk-$pkgver
   sed -i '1s/python$/&2/' Tools/gtk/generate-gtkdoc
+  patch -p1 -i ../webkit-jsc-use-ternary-operator.patch
 }
 
 build() {
diff --git a/extra/webkit2gtk/webkit-jsc-use-ternary-operator.patch b/extra/webkit2gtk/webkit-jsc-use-ternary-operator.patch
new file mode 100644
index 000000000..39af8c58e
--- /dev/null
+++ b/extra/webkit2gtk/webkit-jsc-use-ternary-operator.patch
@@ -0,0 +1,25 @@
+From 9154ea477728797b9d33b32fb36940485f6927fa Mon Sep 17 00:00:00 2001
+From: rpm-build <rpm-build>
+Date: Thu, 30 Aug 2018 07:04:58 +0200
+Subject: [PATCH] Use ternary operator instead of std::max
+
+---
+ Source/JavaScriptCore/heap/RegisterState.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Source/JavaScriptCore/heap/RegisterState.h b/Source/JavaScriptCore/heap/RegisterState.h
+index baaef4c7..b3037dba 100644
+--- a/Source/JavaScriptCore/heap/RegisterState.h
++++ b/Source/JavaScriptCore/heap/RegisterState.h
+@@ -166,7 +166,7 @@ using RegisterState = jmp_buf;
+ #pragma warning(disable: 4611)
+ #endif
+ #define ALLOCATE_AND_GET_REGISTER_STATE(registers) \
+-    alignas(std::max(alignof(void*), alignof(RegisterState))) RegisterState registers; \
++    alignas(alignof(void*) > alignof(RegisterState) ? alignof(void*) : alignof(RegisterState)) RegisterState registers; \
+     setjmp(registers)
+ 
+ #if COMPILER(MSVC)
+-- 
+2.17.1
+