diff --git a/MantidPlot/src/Mantid/MantidTable.cpp b/MantidPlot/src/Mantid/MantidTable.cpp
index d6ab77d7e50354730737cbc1586ca09aaba5977b..57b0de391e2cae091c082f468a72d8223d60602d 100644
--- a/MantidPlot/src/Mantid/MantidTable.cpp
+++ b/MantidPlot/src/Mantid/MantidTable.cpp
@@ -296,12 +296,13 @@ void MantidTable::cellEdited(int row, int col) {
   std::istringstream textStream(text);
   const std::locale systemLocale("");
   textStream.imbue(systemLocale);
-  c->read(index, textStream);
+  c->read(index, textStream.str());
 
   // Set the table view to be the same text after editing.
   // That way, if the string was stupid, it will be reset to the old value.
   std::ostringstream s;
   s.imbue(systemLocale);
+
   // Avoid losing precision for numeric data
   if (c->type() == "double") {
     s.precision(std::numeric_limits<double>::max_digits10);
diff --git a/docs/source/release/v3.11.0/ui.rst b/docs/source/release/v3.11.0/ui.rst
index 52125a906ff41a49d85707656cac026362c89a54..0b4d747cd22a995632729aa1e3eafdbd2bbab7dd 100644
--- a/docs/source/release/v3.11.0/ui.rst
+++ b/docs/source/release/v3.11.0/ui.rst
@@ -50,6 +50,7 @@ Custom Interfaces
 
 Bugs Resolved
 -------------
+- Fixed a bug causing table windows with string values to appear truncated if the string contained a space.
 
 SliceViewer Improvements
 ------------------------