diff --git a/GEODE/ENE/Detector.py b/GEODE/ENE/Detector.py
index 02ac4dfc4af7f45895e99df42a0b2e0fdbe5ff60..1c01f1a7a1fdd21ab17da4d29307986a5ec132ea 100644
--- a/GEODE/ENE/Detector.py
+++ b/GEODE/ENE/Detector.py
@@ -10,7 +10,7 @@ def eventsOfAnnotation(start, common, annotated):
                               'position': start + span.start_char,
                               'size': span.end_char - span.start_char}
                              for span in annotated.spans['sc']])
-    if len(rows):
+    if len(rows) > 0:
         rows[columns].to_csv(sys.stdout, sep='\t', index=False, header=False)
 
 def detector(model, corpus):