diff --git a/var/spack/repos/builtin/packages/llvm/package.py b/var/spack/repos/builtin/packages/llvm/package.py
index bf8a77933c1..53ce3e12c29 100644
--- a/var/spack/repos/builtin/packages/llvm/package.py
+++ b/var/spack/repos/builtin/packages/llvm/package.py
@@ -287,8 +287,12 @@ def cmake_args(self):
         if "+python" in spec and "+lldb" in spec and spec.satisfies("@5.0.0:"):
             cmake_args.append("-DLLDB_USE_SYSTEM_SIX:Bool=TRUE")
 
-        if "~python" in spec and "+lldb" in spec:
-            cmake_args.append("-DLLDB_DISABLE_PYTHON:Bool=TRUE")
+        if "+lldb" in spec and spec.satisfies("@:9.9.9"):
+            cmake_args.append("-DLLDB_DISABLE_PYTHON:Bool={0}".format(
+                'ON' if '~python' in spec else 'OFF'))
+        if "+lldb" in spec and spec.satisfies("@10.0.0:"):
+            cmake_args.append("-DLLDB_ENABLE_PYTHON:Bool={0}".format(
+                'ON' if '+python' in spec else 'OFF'))
 
         if "+gold" in spec:
             cmake_args.append(