diff --git a/loopy/target/python.py b/loopy/target/python.py
index a1557e47bdf8990e7aa89472b59f3c9fc3666a05..0aa0cf572a33fbc58a79471bdf7b09b12a0bf3a2 100644
--- a/loopy/target/python.py
+++ b/loopy/target/python.py
@@ -234,7 +234,10 @@ class PythonASTBuilderBase(ASTBuilderBase):
                             "_lpy_np.empty(%s, dtype=%s)"
                             % (
                                 ecm(tv.shape, PREC_NONE, "i"),
-                                "_lpy_np."+tv.dtype.numpy_dtype.name
+                                "_lpy_np."+(
+                                    tv.dtype.numpy_dtype.name
+                                    if tv.dtype.numpy_dtype.name != "bool"
+                                    else "bool8")
                                 )))
 
         return result