diff --git a/dcop/dcopclient.cpp b/dcop/dcopclient.cpp
index f5588ad3c..0aae67b7a 100644
--- a/dcop/dcopclient.cpp
+++ b/dcop/dcopclient.cpp
@@ -821,7 +821,7 @@ bool DCOPClient::attachInternal( bool registerAsAnonymous )
                 emit attachFailed(TQString::fromLatin1( "Could not read network connection list.\n" )+TQFile::decodeName(fName));
                 return false;
             }
-            int size = TQMIN( (qint64)1024, f.size() ); // protection against a huge file
+            int size = TQMIN( (long)1024, f.size() ); // protection against a huge file
             TQCString contents( size+1 );
             if ( f.readBlock( contents.data(), size ) != size )
             {
diff --git a/dcop/dcopglobal.h b/dcop/dcopglobal.h
index 559037d2f..de6a9b223 100644
--- a/dcop/dcopglobal.h
+++ b/dcop/dcopglobal.h
@@ -37,7 +37,7 @@
 #define DCOPReplyDelayed 6
 #define DCOPFind 7
 
-#define INT32 QINT32
+#define INT32 TQ_INT32
 #ifdef Q_WS_X11
 #include <X11/Xlib.h>
 #include <X11/Xmd.h>
diff --git a/dcop/dcopserver.cpp b/dcop/dcopserver.cpp
index ec6086f09..a565df405 100644
--- a/dcop/dcopserver.cpp
+++ b/dcop/dcopserver.cpp
@@ -1618,7 +1618,7 @@ static bool isRunning(const TQCString &fName, bool printNetworkId = false)
     if (::access(fName.data(), R_OK) == 0) {
 	TQFile f(fName);
 	f.open(IO_ReadOnly);
-	int size = TQMIN( (qint64)1024, f.size() ); // protection against a huge file
+	int size = TQMIN( (long)1024, f.size() ); // protection against a huge file
 	TQCString contents( size+1 );
 	bool ok = f.readBlock( contents.data(), size ) == size;
 	contents[size] = '\0';
diff --git a/dcop/dcopserver.h b/dcop/dcopserver.h
index 77c88f62e..c9ff4d3ff 100644
--- a/dcop/dcopserver.h
+++ b/dcop/dcopserver.h
@@ -34,7 +34,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <tqintdict.h>
 #include <tqapplication.h>
 
-#define INT32 QINT32
+#define INT32 TQ_INT32
 #ifdef Q_WS_X11
 #include <X11/Xlib.h>
 #include <X11/Xmd.h>