diff --git a/entsoe/entsoe.py b/entsoe/entsoe.py
index 4425c5f..e1f970c 100644
--- a/entsoe/entsoe.py
+++ b/entsoe/entsoe.py
@@ -23,7 +23,7 @@
 warnings.filterwarnings('ignore', category=XMLParsedAsHTMLWarning)
 
 __title__ = "entsoe-py"
-__version__ = "0.6.9"
+__version__ = "0.6.10"
 __author__ = "EnergieID.be, Frank Boerman"
 __license__ = "MIT"
 
diff --git a/entsoe/parsers.py b/entsoe/parsers.py
index 4a4d556..58c7e38 100644
--- a/entsoe/parsers.py
+++ b/entsoe/parsers.py
@@ -59,6 +59,8 @@ def parse_netpositions(xml_text, resolution):
     series_all = []
     for soup in _extract_timeseries(xml_text):
         series = _parse_timeseries_generic(soup)[resolution]
+        if series is None:
+            continue
         if 'REGION' in soup.find('out_domain.mrid').text:
             factor = -1  # flow is import so negative
         else: