1 files changed, 4 insertions, 4 deletions
diff --git a/src/gui/application/main.cpp b/src/gui/application/main.cpp
index 51230e8..8d771d2 100644
--- a/src/gui/application/main.cpp
+++ b/src/gui/application/main.cpp
@@ -350,20 +350,20 @@ void testInstalledVersion()
     TQString versionLocation = locate("appdata", "version.txt");
     TQString installedVersion;
 
-    if (versionLocation) {
+    if (!versionLocation.isNull()) {
         TQFile versionFile(versionLocation);
         if (versionFile.open(IO_ReadOnly)) {
             TQTextStream text(&versionFile);
             TQString s = text.readLine().stripWhiteSpace();
             versionFile.close();
-            if (s) {
+            if (!s.isNull()) {
                 if (s == VERSION) return;
                 installedVersion = s;
             }
         }
     }
 
-    if (installedVersion) {
+    if (!installedVersion.isNull()) {
 
         KMessageBox::detailedError
         (0,
@@ -724,7 +724,7 @@ int main(int argc, char *argv[])
 	TQLabel *image = new TQLabel(hb);
 	image->tqsetAlignment(TQt::AlignTop);
 	TQString iconFile = locate("appdata", "pixmaps/misc/welcome-icon.png");
-	if (iconFile) {
+	if (!iconFile.isNull()) {
 	    image->setPixmap(TQPixmap(iconFile));
 	}
 	TQLabel *label = new TQLabel(hb);