diff --git a/keduca/resources/x-edu.desktop b/keduca/resources/x-edu.desktop
index 2d88f6ab..4cd8abbc 100644
--- a/keduca/resources/x-edu.desktop
+++ b/keduca/resources/x-edu.desktop
@@ -71,5 +71,5 @@ Type=MimeType
 MimeType=application/x-edu
 Patterns=*.edu;
 [Property::X-KDE-NativeExtension]
-Type=QString
+Type=TQString
 Value=.edu
diff --git a/keduca/resources/x-edugallery.desktop b/keduca/resources/x-edugallery.desktop
index 45209c1d..c84d95f3 100644
--- a/keduca/resources/x-edugallery.desktop
+++ b/keduca/resources/x-edugallery.desktop
@@ -63,5 +63,5 @@ Type=MimeType
 MimeType=application/x-edugallery
 Patterns=*.edugallery;
 [Property::X-KDE-NativeExtension]
-Type=QString
+Type=TQString
 Value=.edugallery
diff --git a/kig/mimetypes/x-cabri.desktop b/kig/mimetypes/x-cabri.desktop
index b02d7ac9..8de7a553 100644
--- a/kig/mimetypes/x-cabri.desktop
+++ b/kig/mimetypes/x-cabri.desktop
@@ -63,5 +63,5 @@ Type=MimeType
 Patterns=*.fig;*.FIG
 X-KDE-AutoEmbed=false
 [Property::X-KDE-NativeExtension]
-Type=QString
+Type=TQString
 Value=.FIG
diff --git a/kig/mimetypes/x-drgeo.desktop b/kig/mimetypes/x-drgeo.desktop
index 7a19faf7..539269eb 100644
--- a/kig/mimetypes/x-drgeo.desktop
+++ b/kig/mimetypes/x-drgeo.desktop
@@ -58,5 +58,5 @@ Type=MimeType
 Patterns=*.fgeo
 X-KDE-AutoEmbed=false
 [Property::X-KDE-NativeExtension]
-Type=QString
+Type=TQString
 Value=.fgeo
diff --git a/kig/mimetypes/x-kgeo.desktop b/kig/mimetypes/x-kgeo.desktop
index 5fb0b12d..50e83d9a 100644
--- a/kig/mimetypes/x-kgeo.desktop
+++ b/kig/mimetypes/x-kgeo.desktop
@@ -65,5 +65,5 @@ Type=MimeType
 Patterns=*.kgeo;
 X-KDE-AutoEmbed=false
 [Property::X-KDE-NativeExtension]
-Type=QString
+Type=TQString
 Value=.kgeo
diff --git a/kig/mimetypes/x-kig.desktop b/kig/mimetypes/x-kig.desktop
index 95fcce4c..5c3bc155 100644
--- a/kig/mimetypes/x-kig.desktop
+++ b/kig/mimetypes/x-kig.desktop
@@ -65,5 +65,5 @@ Type=MimeType
 Patterns=*.kig;*.kigz;
 X-KDE-AutoEmbed=false
 [Property::X-KDE-NativeExtension]
-Type=QString
+Type=TQString
 Value=.kig;*.kigz
diff --git a/kig/mimetypes/x-kseg.desktop b/kig/mimetypes/x-kseg.desktop
index daac2747..98e0e705 100644
--- a/kig/mimetypes/x-kseg.desktop
+++ b/kig/mimetypes/x-kseg.desktop
@@ -64,5 +64,5 @@ Type=MimeType
 Patterns=*.seg;
 X-KDE-AutoEmbed=false
 [Property::X-KDE-NativeExtension]
-Type=QString
+Type=TQString
 Value=.seg