diff --git a/doc/CHANGES.txt b/doc/CHANGES.txt
index 9d4fd75..1a79f2c 100644
--- a/doc/CHANGES.txt
+++ b/doc/CHANGES.txt
@@ -36,6 +36,7 @@ Changes since PyInstaller 1.3
  + Add import hooks for email in Python 2.5 (though it does not support
    the old-style Python 2.4 syntax with Python 2.5).
  + Add import hook for gadfly.
+ + Add import hook for PyQWt5.
  + Improve import hooks for PyGTK (thanks to Marco Bonifazi and foxx).
  + Add fix for the very annoying "MSVCRT71 could not be extracted" bug,
    which was caused by the DLL being packaged twice (thanks to Idris
diff --git a/hooks/hook-PyQt4.Qwt5.py b/hooks/hook-PyQt4.Qwt5.py
new file mode 100644
index 0000000..936bc31
--- /dev/null
+++ b/hooks/hook-PyQt4.Qwt5.py
@@ -0,0 +1,10 @@
+from hooks import hookutils
+
+hiddenimports = ["PyQt4.QtCore", "PyQt4.QtGui", "PyQt4.QtSvg"]
+
+if hookutils.qwt_numpy_support():
+    hiddenimports.append("numpy")
+if hookutils.qwt_numeric_support():
+    hiddenimports.append("Numeric")
+if hookutils.qwt_numarray_support():
+    hiddenimports.append("numarray")
diff --git a/hooks/hookutils.py b/hooks/hookutils.py
index 7603ce0..76e5d35 100644
--- a/hooks/hookutils.py
+++ b/hooks/hookutils.py
@@ -25,4 +25,9 @@ def qt4_plugins_dir():
     return exec_statement("from PyQt4.QtCore import QLibraryInfo; print QLibraryInfo.location(QLibraryInfo.PluginsPath)")
 def mpl_data_dir():
     return exec_statement("import matplotlib; print matplotlib._get_data_path()")
-
+def qwt_numpy_support():
+    return eval(exec_statement("from PyQt4 import Qwt5; print hasattr(Qwt5, 'toNumpy')"))
+def qwt_numeric_support():
+    return eval(exec_statement("from PyQt4 import Qwt5; print hasattr(Qwt5, 'toNumeric')"))
+def qwt_numarray_support():
+    return eval(exec_statement("from PyQt4 import Qwt5; print hasattr(Qwt5, 'toNumarray')"))