diff --git a/share/qtcreator/debugger/dumper.py b/share/qtcreator/debugger/dumper.py
index cc3e8ddd59a..a6f02e8b527 100644
--- a/share/qtcreator/debugger/dumper.py
+++ b/share/qtcreator/debugger/dumper.py
@@ -619,7 +619,8 @@ class DumperBase():
         elided, shown = self.computeLimit(size, limit)
         return elided, self.readMemory(data, 2 * shown)
 
-    def encodeByteArrayHelper(self, addr, limit):
+    def encodeByteArrayHelper(self, value, limit):
+        addr = self.extractPointer(value)
         data, size, alloc = self.qArrayDataHelper(addr)
         if alloc != 0:
             self.check(0 <= size and size <= alloc and alloc <= 100 * 1000 * 1000)
@@ -670,15 +671,14 @@ class DumperBase():
         return self.hexencode(bytes(self.readRawMemory(addr, size)))
 
     def encodeByteArray(self, value, limit=0):
-        elided, data = self.encodeByteArrayHelper(self.extractPointer(value), limit)
+        elided, data = self.encodeByteArrayHelper(value, limit)
         return data
 
     def qArrayData(self, value):
         return self.qArrayDataHelper(self.extractPointer(value))
 
     def putByteArrayValue(self, value):
-        elided, data = self.encodeByteArrayHelper(
-            self.extractPointer(value), self.displayStringLimit)
+        elided, data = self.encodeByteArrayHelper(value, self.displayStringLimit)
         self.putValue(data, 'latin1', elided=elided)
 
     def encodeString(self, value, limit=0):
diff --git a/share/qtcreator/debugger/qttypes.py b/share/qtcreator/debugger/qttypes.py
index da1f31e8939..36da4087a5b 100644
--- a/share/qtcreator/debugger/qttypes.py
+++ b/share/qtcreator/debugger/qttypes.py
@@ -72,7 +72,7 @@ def qdump__QByteArray(d, value):
         elided, shown = d.computeLimit(size, d.displayStringLimit)
         p = d.readMemory(data, shown)
     else:
-        elided, p = d.encodeByteArrayHelper(d.extractPointer(value), d.displayStringLimit)
+        elided, p = d.encodeByteArrayHelper(value, d.displayStringLimit)
 
     displayFormat = d.currentItemFormat()
     if displayFormat == DisplayFormat.Automatic or displayFormat == DisplayFormat.Latin1String:
@@ -380,7 +380,7 @@ def qdump__QDateTime(d, value):
                     tz = ''
                 else:
                     idBase = tzp + 2 * d.ptrSize()  # [QSharedData] + [vptr]
-                    elided, tz = d.encodeByteArrayHelper(d.extractPointer(idBase), limit=100)
+                    elided, tz = d.encodeByteArray(idBase, limit=100)
                 d.putValue('%s/%s/%s/%s/%s/%s' % (msecs, spec, offset, tz, status, 0),
                            'datetimeinternal')
     else: