diff --git a/tests/nosetests/test_interferometry/test_interferometry.py b/tests/nosetests/test_interferometry/test_interferometry.py
index e379905a2..c6b1c82f3 100755
--- a/tests/nosetests/test_interferometry/test_interferometry.py
+++ b/tests/nosetests/test_interferometry/test_interferometry.py
@@ -45,10 +45,10 @@ def test_interferometry(verbose=False):
     #b.plot(x='u', show=True)
     #b.plot(x='v', show=True)
 
-    assert(abs(vises[0]   - 9.999823734331741987e-01) < 1.0e-12)
-    assert(abs(vises[329] - 4.495290293983521257e-02) < 1.0e-12)
-    assert(abs(vises[330] - 9.999990005798550241e-01) < 1.0e-12)
-    assert(abs(vises[659] - 8.960520659297093182e-01) < 1.0e-12)
+    assert(abs(vises[0]   - 9.999823734331741987e-01) < 1.0e-5)
+    assert(abs(vises[329] - 4.495290293983521257e-02) < 1.0e-5)
+    assert(abs(vises[330] - 9.999990005798550241e-01) < 1.0e-5)
+    assert(abs(vises[659] - 8.960520659297093182e-01) < 1.0e-5)
 
 if __name__ == "__main__":
     logger = phoebe.logger(clevel='INFO')
diff --git a/tests/nosetests/test_interferometry2/test_interferometry2.py b/tests/nosetests/test_interferometry2/test_interferometry2.py
index 02d25620d..45cf4cc00 100755
--- a/tests/nosetests/test_interferometry2/test_interferometry2.py
+++ b/tests/nosetests/test_interferometry2/test_interferometry2.py
@@ -44,8 +44,8 @@ def test_interferometry2(verbose=False):
     #b.plot(x='u', show=True)
     #b.plot(x='v', show=True)
 
-    assert(abs(vises[0]    - 9.542236659760809925e-01) < 1.0e-12)
-    assert(abs(vises[4355] - 1.502342468915347079e-04) < 1.0e-12)
+    assert(abs(vises[0]    - 9.542236659760809925e-01) < 1.0e-5)
+    assert(abs(vises[4355] - 1.502342468915347079e-04) < 1.0e-5)
 
 if __name__ == "__main__":
     logger = phoebe.logger(clevel='INFO')