diff --git a/frappe/utils/jinja.py b/frappe/utils/jinja.py
index 4e5a2b6a1a..63f48a9b9f 100644
--- a/frappe/utils/jinja.py
+++ b/frappe/utils/jinja.py
@@ -6,35 +6,39 @@ from frappe.utils.caching import site_cache
 
 def get_jenv():
 	import frappe
+	from frappe.utils.safe_exec import get_safe_globals
 
-	if not getattr(frappe.local, "jenv", None):
-		from jinja2 import DebugUndefined
-		from jinja2.sandbox import SandboxedEnvironment
+	jenv = _get_jenv()
+	jenv.globals.update(get_safe_globals())  # TODO: This isn't thread safe.
+	frappe.local.jenv = jenv
+	return jenv
 
-		from frappe.utils.safe_exec import UNSAFE_ATTRIBUTES, get_safe_globals
 
-		UNSAFE_ATTRIBUTES = UNSAFE_ATTRIBUTES - {"format", "format_map"}
+@site_cache(ttl=10 * 60, maxsize=4)
+def _get_jenv():
+	from jinja2 import DebugUndefined
+	from jinja2.sandbox import SandboxedEnvironment
 
-		class FrappeSandboxedEnvironment(SandboxedEnvironment):
-			def is_safe_attribute(self, obj, attr, *args, **kwargs):
-				if attr in UNSAFE_ATTRIBUTES:
-					return False
+	from frappe.utils.safe_exec import UNSAFE_ATTRIBUTES, get_safe_globals
 
-				return super().is_safe_attribute(obj, attr, *args, **kwargs)
+	UNSAFE_ATTRIBUTES = UNSAFE_ATTRIBUTES - {"format", "format_map"}
 
-		# frappe will be loaded last, so app templates will get precedence
-		jenv = FrappeSandboxedEnvironment(loader=get_jloader(), undefined=DebugUndefined)
-		set_filters(jenv)
+	class FrappeSandboxedEnvironment(SandboxedEnvironment):
+		def is_safe_attribute(self, obj, attr, *args, **kwargs):
+			if attr in UNSAFE_ATTRIBUTES:
+				return False
 
-		jenv.globals.update(get_safe_globals())
+			return super().is_safe_attribute(obj, attr, *args, **kwargs)
 
-		methods, filters = get_jinja_hooks()
-		jenv.globals.update(methods or {})
-		jenv.filters.update(filters or {})
+	# frappe will be loaded last, so app templates will get precedence
+	jenv = FrappeSandboxedEnvironment(loader=get_jloader(), undefined=DebugUndefined)
+	set_filters(jenv)
 
-		frappe.local.jenv = jenv
+	methods, filters = get_jinja_hooks()
+	jenv.globals.update(methods or {})
+	jenv.filters.update(filters or {})
 
-	return frappe.local.jenv
+	return jenv
 
 
 def get_template(path):