diff --git a/helper/htseq_count_stats.py b/helper/htseq_count_stats.py
index 52eb5d4..3071102 100644
--- a/helper/htseq_count_stats.py
+++ b/helper/htseq_count_stats.py
@@ -23,7 +23,7 @@
             mapped_reads = 0
 
             for line in fin:
-                gene, value = line.strip().split()
+                gene, value = line.strip().rsplit(maxsplit=1)
 
                 if gene not in quality_fields:
                     mapped_reads += int(value)