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",