diff --git a/cloop-big-endians.patch b/cloop-big-endians.patch
new file mode 100644
index 0000000..7bb12df
--- /dev/null
+++ b/cloop-big-endians.patch
@@ -0,0 +1,30 @@
+diff -up webkitgtk-2.14.7/Source/JavaScriptCore/bytecode/CodeBlock.cpp.b132333 webkitgtk-2.14.7/Source/JavaScriptCore/bytecode/CodeBlock.cpp
+--- webkitgtk-2.14.7/Source/JavaScriptCore/bytecode/CodeBlock.cpp.b132333	2017-02-07 09:05:07.000000000 +0100
++++ webkitgtk-2.14.7/Source/JavaScriptCore/bytecode/CodeBlock.cpp	2017-06-16 10:34:57.859748036 +0200
+@@ -2186,7 +2186,12 @@ void CodeBlock::finishCreation(VM& vm, S
+                 instructions[i + 5].u.watchpointSet = op.watchpointSet;
+             else if (op.structure)
+                 instructions[i + 5].u.structure.set(vm, this, op.structure);
+-            instructions[i + 6].u.pointer = reinterpret_cast<void*>(op.operand);
++
++            if (op.type == ClosureVar || op.type == ClosureVarWithVarInjectionChecks || op.type == GlobalProperty || op.type == GlobalPropertyWithVarInjectionChecks || op.type == ModuleVar)
++                instructions[i + 6].u.operand = op.operand;
++            else
++                instructions[i + 6].u.pointer = reinterpret_cast<void*>(op.operand);
++
+             break;
+         }
+ 
+@@ -2222,7 +2227,11 @@ void CodeBlock::finishCreation(VM& vm, S
+                     op.watchpointSet->invalidate(vm, PutToScopeFireDetail(this, ident));
+             } else if (op.structure)
+                 instructions[i + 5].u.structure.set(vm, this, op.structure);
+-            instructions[i + 6].u.pointer = reinterpret_cast<void*>(op.operand);
++
++            if (op.type == ClosureVar || op.type == ClosureVarWithVarInjectionChecks || op.type == GlobalProperty || op.type == GlobalPropertyWithVarInjectionChecks || op.type == ModuleVar)
++                instructions[i + 6].u.operand = op.operand;
++            else
++                instructions[i + 6].u.pointer = reinterpret_cast<void*>(op.operand);
+ 
+             break;
+         }
diff --git a/webkitgtk4.spec b/webkitgtk4.spec
index d2b0acc..5705395 100644
--- a/webkitgtk4.spec
+++ b/webkitgtk4.spec
@@ -19,7 +19,8 @@ Patch0:     user-agent-branding.patch
 # https://fedoraproject.org/wiki/Packaging:CryptoPolicies
 # https://bugs.webkit.org/show_bug.cgi?id=158785
 Patch1:     fedora-crypto-policy.patch
-# https://bugs.webkit.org/show_bug.cgi?id=173544
+# https://bugs.webkit.org/show_bug.cgi?id=132333
+Patch2:     cloop-big-endians.patch
 
 BuildRequires:  at-spi2-core-devel
 BuildRequires:  bison