diff --git a/src/libs/vpropertyexplorer/plugins/vtextproperty.cpp b/src/libs/vpropertyexplorer/plugins/vtextproperty.cpp
index 0e9ae1d1d..69d1a9781 100644
--- a/src/libs/vpropertyexplorer/plugins/vtextproperty.cpp
+++ b/src/libs/vpropertyexplorer/plugins/vtextproperty.cpp
@@ -39,7 +39,11 @@ void SetTabStopDistance(QPlainTextEdit *edit, int tabWidthChar)
 #else
     // compute the size of a char in double-precision
     static constexpr int bigNumber = 1000; // arbitrary big number.
+#if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
+    const int many_char_width = fontMetrics.horizontalAdvance(testString.repeated(bigNumber));
+#else
     const int many_char_width = fontMetrics.width(testString.repeated(bigNumber));
+#endif
     const double singleCharWidthDouble = many_char_width / double(bigNumber);
     // set the tab stop with double precision
     edit->setTabStopDistance(tabWidthChar * singleCharWidthDouble);
diff --git a/src/libs/vtools/dialogs/dialogtoolbox.cpp b/src/libs/vtools/dialogs/dialogtoolbox.cpp
index ef757a014..45b950c2e 100644
--- a/src/libs/vtools/dialogs/dialogtoolbox.cpp
+++ b/src/libs/vtools/dialogs/dialogtoolbox.cpp
@@ -501,7 +501,11 @@ void SetTabStopDistance(QPlainTextEdit *edit, int tabWidthChar)
 #else
     // compute the size of a char in double-precision
     static constexpr int bigNumber = 1000; // arbitrary big number.
+#if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
+    const int many_char_width = fontMetrics.horizontalAdvance(testString.repeated(bigNumber));
+#else
     const int many_char_width = fontMetrics.width(testString.repeated(bigNumber));
+#endif
     const double singleCharWidthDouble = many_char_width / double(bigNumber);
     // set the tab stop with double precision
     edit->setTabStopDistance(tabWidthChar * singleCharWidthDouble);