diff --git a/src/shell/scripts/omp.py b/src/shell/scripts/omp.py
index 0dbaa46f..a817cc56 100644
--- a/src/shell/scripts/omp.py
+++ b/src/shell/scripts/omp.py
@@ -1,7 +1,7 @@
 import uuid
 
 $POWERLINE_COMMAND = "oh-my-posh"
-$POSH_THEME = "::CONFIG::"
+$POSH_THEME = r"::CONFIG::"
 $POSH_PID = uuid.uuid4().hex
 $POSH_SHELL_VERSION = $XONSH_VERSION