diff --git a/scipy/linalg/decomp.py b/scipy/linalg/decomp.py
index f44cd3d9bd34..be8db5e4653f 100644
--- a/scipy/linalg/decomp.py
+++ b/scipy/linalg/decomp.py
@@ -1043,6 +1043,9 @@ def qr(a,overwrite_a=0,lwork=None,econ=False,mode='qr'):
     ((9, 6), (6, 6))
 
     """
+    warn("""\
+qr econ argument will be removed after scipy 0.7. The economy transform will
+then be available through the mode='economic' argument.""", DeprecationWarning)
     a1 = asarray_chkfinite(a)
     if len(a1.shape) != 2:
         raise ValueError("expected 2D array")