diff --git a/libs/qm-dsp/base/KaiserWindow.h b/libs/qm-dsp/base/KaiserWindow.h
index f16a4b6c16..0253d6d4c4 100644
--- a/libs/qm-dsp/base/KaiserWindow.h
+++ b/libs/qm-dsp/base/KaiserWindow.h
@@ -81,7 +81,7 @@ public:
     }
 
     const double *getWindow() const { 
-	return m_window.data();
+	return &m_window[0];
     }
 
     void cut(double *src) const { 
diff --git a/libs/qm-dsp/base/SincWindow.h b/libs/qm-dsp/base/SincWindow.h
index bb35d90c20..02de928679 100644
--- a/libs/qm-dsp/base/SincWindow.h
+++ b/libs/qm-dsp/base/SincWindow.h
@@ -37,7 +37,7 @@ public:
     }
 
     const double *getWindow() const { 
-	return m_window.data();
+	return &m_window[0];
     }
 
     void cut(double *src) const { 
diff --git a/tools/update_qm-dsp.sh b/tools/update_qm-dsp.sh
index 4e2f43ddcf..5b769082da 100755
--- a/tools/update_qm-dsp.sh
+++ b/tools/update_qm-dsp.sh
@@ -69,4 +69,22 @@ index 714d5755d..c88641de7 100644
      {
 EOF
 
+## this applies to qm-vamp-plugins-v1.7.1-20-g4d15479
+## fix OSX 10.5 / PPC builds gcc4.2
+patch -p3 << EOF
+diff --git a/libs/qm-dsp/base/KaiserWindow.h b/libs/qm-dsp/base/KaiserWindow.h
+index f16a4b6c1..0253d6d4c 100644
+--- a/libs/qm-dsp/base/KaiserWindow.h
++++ b/libs/qm-dsp/base/KaiserWindow.h
+@@ -81,7 +81,7 @@ public:
+     }
+ 
+     const double *getWindow() const { 
+-	return m_window.data();
++	return &m_window[0];
+     }
+ 
+     void cut(double *src) const { 
+EOF
+
 git add gitrev.txt base dsp ext maths