diff --git a/share/qtcreator/debugger/dumper.py b/share/qtcreator/debugger/dumper.py
index 4805545d246..7e461320968 100644
--- a/share/qtcreator/debugger/dumper.py
+++ b/share/qtcreator/debugger/dumper.py
@@ -703,10 +703,8 @@ class DumperBase:
         elided, shown = self.computeLimit(size, limit)
         return elided, self.readMemory(data, shown)
 
-    def putCharArrayHelper(self, data, size, charType,
-                           displayFormat = AutomaticFormat,
-                           makeExpandable = True):
-        charSize = charType.size()
+    def putCharArrayValue(self, data, size, charSize,
+                          displayFormat = AutomaticFormat):
         bytelen = size * charSize
         elided, shown = self.computeLimit(bytelen, self.displayStringLimit)
         mem = self.readMemory(data, shown)
@@ -729,6 +727,12 @@ class DumperBase:
             elided, shown = self.computeLimit(bytelen, 100000)
             self.putDisplay(encodingType + ':separate', self.readMemory(data, shown))
 
+    def putCharArrayHelper(self, data, size, charType,
+                           displayFormat = AutomaticFormat,
+                           makeExpandable = True):
+        charSize = charType.size()
+        self.putCharArrayValue(data, size, charSize, displayFormat = displayFormat)
+
         if makeExpandable:
             self.putNumChild(size)
             if self.isExpanded():
diff --git a/share/qtcreator/debugger/gdbbridge.py b/share/qtcreator/debugger/gdbbridge.py
index 519afdf9826..0385caa129b 100644
--- a/share/qtcreator/debugger/gdbbridge.py
+++ b/share/qtcreator/debugger/gdbbridge.py
@@ -145,7 +145,8 @@ class PlainDumper:
         elif sys.version_info[0] <= 2 and isinstance(val, unicode):
             d.putValue(val)
         else: # Assuming LazyString
-            d.putCharArrayHelper(val.address, val.length, val.type)
+            d.putCharArrayValue(val.address, val.length,
+                                val.type.target().sizeof)
 
         d.putNumChild(len(children))
         if d.isExpanded():