diff --git a/configure.py b/configure.py
index b600ac3..2f1fa80 100644
--- a/configure.py
+++ b/configure.py
@@ -692,7 +692,7 @@ int main(int argc,char **argv)
     fprintf(fp,"-x TQt_THREAD_SUPPORT\\n");
 #endif
 
-#if !defined(Q_WS_WIN) || defined(TQT_NO_STYLE_WINDOWSXP)
+#if !defined(TQ_WS_WIN) || defined(TQT_NO_STYLE_WINDOWSXP)
     fprintf(fp,"-x TQt_STYLE_WINDOWSXP\\n");
 #endif
 
diff --git a/examples/mdi.py b/examples/mdi.py
index 961c54a..84d9b36 100755
--- a/examples/mdi.py
+++ b/examples/mdi.py
@@ -286,7 +286,7 @@ class MDIWindow( TQMainWindow):
                         self.medit.hide()
                         del self.medit
                         qm=TQMovie(fn)
-                        #ifdef Q_WS_QWS // temporary speed-test hack
+                        #ifdef TQ_WS_QWS // temporary speed-test hack
                         #qm->setDisplayWidget(tmp);
                         #endif
                         tmp.setBackgroundMode(TQWidget.NoBackground)
diff --git a/pytquic3/embed.cpp b/pytquic3/embed.cpp
index a24f282..f86a1d6 100644
--- a/pytquic3/embed.cpp
+++ b/pytquic3/embed.cpp
@@ -32,7 +32,7 @@
 // on embedded, we do not compress image data. Rationale: by mapping
 // the ready-only data directly into memory we are both faster and
 // more memory efficient
-#if defined(Q_WS_QWS) && !defined(TQT_NO_IMAGE_COLLECTION_COMPRESSION)
+#if defined(TQ_WS_QWS) && !defined(TQT_NO_IMAGE_COLLECTION_COMPRESSION)
 #define TQT_NO_IMAGE_COLLECTION_COMPRESSION
 #endif