diff --git a/lslopt/lslbasefuncs.py b/lslopt/lslbasefuncs.py
index 78ca5ac..22956ce 100644
--- a/lslopt/lslbasefuncs.py
+++ b/lslopt/lslbasefuncs.py
@@ -1606,9 +1606,9 @@ def llTan(f):
     if -9223372036854775808.0 <= f < 9223372036854775808.0:
         # We only consider the first turn for anomalous results.
         if abs(f) == 1.570796251296997:
-            return math.copysign(13245400.0, f);
+            return math.copysign(13245402.0, f);
         if abs(f) == 1.5707963705062866:
-            return -math.copysign(22877330.0, f);
+            return -math.copysign(22877332.0, f);
         return F32(math.tan(f))
     return f
 
diff --git a/testfuncs.py b/testfuncs.py
index 4eda72a..c4bdc34 100644
--- a/testfuncs.py
+++ b/testfuncs.py
@@ -847,8 +847,8 @@ def do_tests():
     test('llTan(F32(1e38))', F32(1e38))
     test('llTan(F32(4e38))', Indet)
     test('llTan(F32(math.pi))', F('0x1.777A5Cp-24'))
-    test('llTan(F32(math.pi*.5))', -22877330.)
-    test('llTan(F("0x1.921FB4p0"))', 13245400.)
+    test('llTan(F32(math.pi*.5))', -22877332.)
+    test('llTan(F("0x1.921FB4p0"))', 13245402.)
     test('llAsin(2.0)', NaN)
     test('llAcos(2.0)', NaN)
     test('llAtan2(0.0, 0.0)', 0.0)