diff --git a/src/plugins/bineditor/bineditorwidget.cpp b/src/plugins/bineditor/bineditorwidget.cpp
index ab8f6d0ba43..2c703512d19 100644
--- a/src/plugins/bineditor/bineditorwidget.cpp
+++ b/src/plugins/bineditor/bineditorwidget.cpp
@@ -613,7 +613,6 @@ int BinEditorWidget::dataIndexOf(const QByteArray &pattern, qint64 from, bool ca
 
     QByteArray buffer;
     buffer.resize(m_blockSize + trailing);
-    char *b = buffer.data();
     QByteArrayMatcher matcher(pattern);
 
     qint64 block = from / m_blockSize;
@@ -622,6 +621,7 @@ int BinEditorWidget::dataIndexOf(const QByteArray &pattern, qint64 from, bool ca
         if (!requestDataAt(block * m_blockSize))
             return -1;
         QByteArray data = blockData(block);
+        char *b = buffer.data();
         ::memcpy(b, b + m_blockSize, trailing);
         ::memcpy(b + trailing, data.constData(), m_blockSize);
 
@@ -645,7 +645,6 @@ int BinEditorWidget::dataLastIndexOf(const QByteArray &pattern, qint64 from, boo
 
     QByteArray buffer;
     buffer.resize(m_blockSize + trailing);
-    char *b = buffer.data();
 
     if (from == -1)
         from = m_size;
@@ -655,6 +654,7 @@ int BinEditorWidget::dataLastIndexOf(const QByteArray &pattern, qint64 from, boo
         if (!requestDataAt(qint64(block) * m_blockSize))
             return -1;
         QByteArray data = blockData(block);
+        char *b = buffer.data();
         ::memcpy(b + m_blockSize, b, trailing);
         ::memcpy(b, data.constData(), m_blockSize);