diff --git a/pyresample/spherical.py b/pyresample/spherical.py
index a9d15e18d..6a163e758 100644
--- a/pyresample/spherical.py
+++ b/pyresample/spherical.py
@@ -42,7 +42,10 @@ class SCoordinate(object):
     """
 
     def __init__(self, lon, lat):
-        self.lon = float(_unwrap_radians(lon))
+        if np.isfinite(lon):
+            self.lon = float(_unwrap_radians(lon))
+        else:
+            self.lon = float(lon)
         self.lat = lat
 
     def cross2cart(self, point):
diff --git a/pyresample/test/test_spherical.py b/pyresample/test/test_spherical.py
index 03a96cf1c..3ef7594ba 100644
--- a/pyresample/test/test_spherical.py
+++ b/pyresample/test/test_spherical.py
@@ -146,6 +146,12 @@ def test_equality_at_antimeridian(self):
         point_end = SCoordinate(np.pi, 0)
         assert point_start == point_end
 
+    def test_equality_of_infinites(self):
+        """Test that infinite coordinates are equal."""
+        coord1 = SCoordinate(np.inf, np.inf)
+        coord2 = SCoordinate(np.inf, np.inf)
+        assert coord1 == coord2
+
 
 class TestCCoordinate(unittest.TestCase):
     """Test SCoordinates."""