diff --git a/pytoml/parser.py b/pytoml/parser.py
index fd4ef9d..6185078 100644
--- a/pytoml/parser.py
+++ b/pytoml/parser.py
@@ -211,7 +211,7 @@
         return r
     return s.expect_re(_key_re).group(0)
 
-_float_re = re.compile(r'[+-]?(?:0|[1-9](?:_?\d)*)(?:\.\d(?:_?\d)*)?(?:[eE][+-]?(?:0|[1-9](?:_?\d)*))?')
+_float_re = re.compile(r'[+-]?(?:0|[1-9](?:_?\d)*)(?:\.\d(?:_?\d)*)?(?:[eE][+-]?(?:\d(?:_?\d)*))?')
 _datetime_re = re.compile(r'(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})(\.\d+)?(?:Z|([+-]\d{2}):(\d{2}))')
 
 _basicstr_ml_re = re.compile(r'(?:(?:|"|"")[^"\\\000-\011\013-\037])*')
diff --git a/setup.py b/setup.py
index f183416..9c50898 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name='pytoml',
-    version='0.1.5',
+    version='0.1.6',
 
     description='A parser for TOML-0.4.0',
     author='Martin Vejnár',
diff --git a/test/toml-test b/test/toml-test
index 522d934..617aff4 160000
--- a/test/toml-test
+++ b/test/toml-test
@@ -1 +1 @@
-Subproject commit 522d9342f8fdbcfc6c526a1186b208025c12b01d
+Subproject commit 617aff48a64f7900d195c51dd9f940e3e152d354