diff --git a/lib/spack/spack/cmd/__init__.py b/lib/spack/spack/cmd/__init__.py
index 9ca3ae4c6d3..f07173d9fcf 100644
--- a/lib/spack/spack/cmd/__init__.py
+++ b/lib/spack/spack/cmd/__init__.py
@@ -347,7 +347,7 @@ def iter_groups(specs, indent, all_headers):
             spack.spec.architecture_color,
             architecture if architecture else "no arch",
             spack.spec.compiler_color,
-            compiler if compiler else "no compiler",
+            f"{compiler.name}@{compiler.version}" if compiler else "no compiler",
         )
 
         # Sometimes we want to display specs that are not yet concretized.