2 files changed, 9 insertions, 2 deletions
diff --git a/src/corelib/json/qjson_p.h b/src/corelib/json/qjson_p.h
index 4c628ff1fe..e5010c2da7 100644
--- a/src/corelib/json/qjson_p.h
+++ b/src/corelib/json/qjson_p.h
@@ -151,6 +151,13 @@ public:
         return *this;
     }
 };
+} // namespace QJsonPrivate
+
+template <typename T>
+class QTypeInfo<QJsonPrivate::q_littleendian<T> >
+    : public QTypeInfoMerger<QJsonPrivate::q_littleendian<T>, T> {};
+
+namespace QJsonPrivate {
 
 typedef q_littleendian<short> qle_short;
 typedef q_littleendian<unsigned short> qle_ushort;
@@ -402,7 +409,7 @@ public:
             // pack with itself, we'll discard the high part anyway
             chunk = _mm_packus_epi16(chunk, chunk);
             // unaligned 64-bit store
-            *(quint64*)&l[i] = _mm_cvtsi128_si64(chunk);
+            qUnalignedStore(l + i, _mm_cvtsi128_si64(chunk));
             i += 8;
         }
 #  endif
diff --git a/src/corelib/json/qjsonparser.cpp b/src/corelib/json/qjsonparser.cpp
index 9bafcc4c5f..a896d17519 100644
--- a/src/corelib/json/qjsonparser.cpp
+++ b/src/corelib/json/qjsonparser.cpp
@@ -738,7 +738,7 @@ bool Parser::parseNumber(QJsonPrivate::Value *val, int baseOffset)
     }
 
     int pos = reserveSpace(sizeof(double));
-    *(quint64 *)(data + pos) = qToLittleEndian(ui);
+    qToLittleEndian(ui, reinterpret_cast<uchar *>(data + pos));
     if (current - baseOffset >= Value::MaxSize) {
         lastError = QJsonParseError::DocumentTooLarge;
         return false;