diff --git a/src/rezplugins/shell/sh.py b/src/rezplugins/shell/sh.py
index 721c2d5ab..89ad961b7 100644
--- a/src/rezplugins/shell/sh.py
+++ b/src/rezplugins/shell/sh.py
@@ -92,7 +92,7 @@ def get_startup_sequence(cls, rcfile, norc, stdin, command):
 
     def _bind_interactive_rez(self):
         if config.set_prompt and self.settings.prompt:
-            self._addline('if [ -z "$REZ_STORED_PROMPT" ]; then export REZ_STORED_PROMPT=$PS1; fi')
+            self._addline('if [ -z "$REZ_STORED_PROMPT" ]; then export REZ_STORED_PROMPT="$PS1"; fi')
             if config.prefix_prompt:
                 cmd = 'export PS1="%s $REZ_STORED_PROMPT"'
             else: