diff --git a/beat/core/environments.py b/beat/core/environments.py
index 44bfee3fa99b165ad67a47f7266be9756f85c76b..63d30aebca79850924311d81f774354a042a2256 100644
--- a/beat/core/environments.py
+++ b/beat/core/environments.py
@@ -79,7 +79,7 @@ def enumerate_packages(host, environment_name):
     package_lines = output.split("\n")
 
     for package_line in package_lines:
-        information = re.split("\s+", package_line)
+        information = re.split(r"\s+", package_line)
         if len(information) == 4:
             packages.append({"name": information[0], "version": information[1]})