diff --git a/sf-utils/BinaryBufferReader.py b/sf-utils/BinaryBufferReader.py
old mode 100644
new mode 100755
diff --git a/sf-utils/BinaryBufferReaderJF.py b/sf-utils/BinaryBufferReaderJF.py
old mode 100644
new mode 100755
diff --git a/sf-utils/VerifyH5DataConsistency.py b/sf-utils/VerifyH5DataConsistency.py
old mode 100644
new mode 100755
index 241f9f5..2e8cb91
--- a/sf-utils/VerifyH5DataConsistency.py
+++ b/sf-utils/VerifyH5DataConsistency.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 from argparse import ArgumentParser
 from .BinaryBufferReader import BinaryBufferReader
 
@@ -60,3 +62,6 @@ def main():
 
 if __name__ == "__main__":
     main()
+
+
+