diff --git a/luadata/serializer/__test__.py b/luadata/serializer/__test__.py
index 3f6a990..82d9cf2 100644
--- a/luadata/serializer/__test__.py
+++ b/luadata/serializer/__test__.py
@@ -100,6 +100,7 @@ def test_number(self):
         self.assertEqual(unserialize("-0.1"), -0.1)
         self.assertEqual(unserialize("-100"), -100)
         self.assertEqual(unserialize("-100."), -100)
+        self.assertEqual(unserialize("1e-06"), 1e-06)
 
     def test_tuple(self):
         self.assertEqual(unserialize("1,2,3"), 1)
diff --git a/luadata/serializer/unserialize.py b/luadata/serializer/unserialize.py
index eb45d5a..993a8b7 100644
--- a/luadata/serializer/unserialize.py
+++ b/luadata/serializer/unserialize.py
@@ -182,7 +182,7 @@ def node_to_table(node):
                     key = None
                 data = None
         elif state == "INT":
-            if byte_current == b".":
+            if byte_current == b"." or byte_current == b"e":
                 state = "FLOAT"
             elif byte_current is None or byte_current < b"0" or byte_current > b"9":
                 data = int(sbins[pos1:pos].decode(encoding))
@@ -197,7 +197,9 @@ def node_to_table(node):
                     pos = pos - 1
                 data = None
         elif state == "FLOAT":
-            if byte_current is None or byte_current < b"0" or byte_current > b"9":
+            if byte_current == b"e" or byte_current == b"-" or byte_current == b"+":
+                pass
+            elif byte_current is None or byte_current < b"0" or byte_current > b"9":
                 if pos == pos1 + 1 and sbins[pos1:pos] == b".":
                     errmsg = "unexpected dot."
                     break