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-rw-r--r--Source/WebCore/dom/NamedNodeMap.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/WebCore/dom/NamedNodeMap.cpp b/Source/WebCore/dom/NamedNodeMap.cpp
index 0e2861e..2861226 100644
--- a/Source/WebCore/dom/NamedNodeMap.cpp
+++ b/Source/WebCore/dom/NamedNodeMap.cpp
@@ -357,7 +357,7 @@ bool NamedNodeMap::mappedMapsEquivalent(const NamedNodeMap* otherMap) const
ASSERT(attr->isMappedAttribute());
Attribute* otherAttr = otherMap->getAttributeItem(attr->name());
- if (!otherAttr || attr->value() != otherAttr->value())
+ if (!otherAttr || !otherAttr->decl() || attr->value() != otherAttr->value())
return false;
if (!attr->decl()->propertiesEqual(otherAttr->decl()))
return false;