diff --git a/tests/auto/gui/text/qglyphrun/tst_qglyphrun.cpp b/tests/auto/gui/text/qglyphrun/tst_qglyphrun.cpp
index 7c60c8c9f8..21b2697b90 100644
--- a/tests/auto/gui/text/qglyphrun/tst_qglyphrun.cpp
+++ b/tests/auto/gui/text/qglyphrun/tst_qglyphrun.cpp
@@ -527,6 +527,7 @@ void tst_QGlyphRun::drawStruckOutText()
 
     QFont font;
     font.setStrikeOut(true);
+    font.setStyleStrategy(QFont::ForceIntegerMetrics);
 
     QTextLayout layout(s);
     layout.setFont(font);
@@ -569,6 +570,7 @@ void tst_QGlyphRun::drawOverlinedText()
 
     QFont font;
     font.setOverline(true);
+    font.setStyleStrategy(QFont::ForceIntegerMetrics);
 
     QTextLayout layout(s);
     layout.setFont(font);
@@ -611,6 +613,7 @@ void tst_QGlyphRun::drawUnderlinedText()
 
     QFont font;
     font.setUnderline(true);
+    font.setStyleStrategy(QFont::ForceIntegerMetrics);
 
     QTextLayout layout(s);
     layout.setFont(font);
diff --git a/tests/auto/gui/text/qstatictext/tst_qstatictext.cpp b/tests/auto/gui/text/qstatictext/tst_qstatictext.cpp
index 9f84f64ee9..f4e3356ad0 100644
--- a/tests/auto/gui/text/qstatictext/tst_qstatictext.cpp
+++ b/tests/auto/gui/text/qstatictext/tst_qstatictext.cpp
@@ -716,6 +716,7 @@ void tst_QStaticText::drawStruckOutText()
 
     QFont font;
     font.setStrikeOut(true);
+    font.setStyleStrategy(QFont::ForceIntegerMetrics);
 
     {
         QPainter p(&imageDrawText);
@@ -751,6 +752,7 @@ void tst_QStaticText::drawOverlinedText()
 
     QFont font;
     font.setOverline(true);
+    font.setStyleStrategy(QFont::ForceIntegerMetrics);
 
     {
         QPainter p(&imageDrawText);
@@ -786,6 +788,7 @@ void tst_QStaticText::drawUnderlinedText()
 
     QFont font;
     font.setUnderline(true);
+    font.setStyleStrategy(QFont::ForceIntegerMetrics);
 
     {
         QPainter p(&imageDrawText);