diff --git a/pyopencl/__init__.py b/pyopencl/__init__.py
index 0e2133762ac00437fad98938b891732a2ca4cbb2..1fb68cb2fb238b61239aae51822799efd3a7747c 100644
--- a/pyopencl/__init__.py
+++ b/pyopencl/__init__.py
@@ -127,8 +127,8 @@ class Program(object):
                     self._context, self._source, options, devices,
                     cache_dir=cache_dir)
 
-        del self._context
-        del self._source
+            del self._context
+            del self._source
 
         return self
 
diff --git a/test/test_clmath.py b/test/test_clmath.py
index 1cea469ada55782886f367333e36e096c67314b5..765321340b6c8e11d6574804ce3d32358dd8111c 100644
--- a/test/test_clmath.py
+++ b/test/test_clmath.py
@@ -92,8 +92,8 @@ if have_cl():
     test_log10 = make_unary_function_test("log10", (1e-5, 1), 5e-7)
     test_sqrt = make_unary_function_test("sqrt", (1e-5, 1), 3e-7, use_complex=True)
 
-    test_sin = make_unary_function_test("sin", (-10, 10), 2e-7, use_complex=2e-3)
-    test_cos = make_unary_function_test("cos", (-10, 10), 2e-7, use_complex=2e-3)
+    test_sin = make_unary_function_test("sin", (-10, 10), 2e-7, use_complex=2e-2)
+    test_cos = make_unary_function_test("cos", (-10, 10), 2e-7, use_complex=2e-2)
     test_asin = make_unary_function_test("asin", (-0.9, 0.9), 5e-7)
     test_acos = make_unary_function_test("acos", (-0.9, 0.9), 5e-7)
     test_tan = make_unary_function_test("tan",