diff --git a/src/libprs500/__init__.py b/src/libprs500/__init__.py
index ebb6ccceaf..f43a54a403 100644
--- a/src/libprs500/__init__.py
+++ b/src/libprs500/__init__.py
@@ -174,4 +174,4 @@ def sanitize_file_name(name):
     Also remove path separators. ALl illegal characters are replaced by
     underscores.
     '''
-    return re.sub(r'[\|\~\:\?\\\/]|^-', '_', name.strip())
\ No newline at end of file
+    return re.sub(r'\s', ' ', re.sub(r'[\|\~\:\?\\\/]|^-', '_', name.strip()))
\ No newline at end of file