diff --git a/conda_libmamba_solver/state.py b/conda_libmamba_solver/state.py
index aaec619f..93acb2c6 100644
--- a/conda_libmamba_solver/state.py
+++ b/conda_libmamba_solver/state.py
@@ -262,7 +262,7 @@ def virtual(self) -> Mapping[str, MatchSpec]:
         cannot be (un)installed, they only represent constrains for other packages. By convention,
         their names start with a double underscore.
         """
-        return MappingProxyType(self._virtual)
+        return MappingProxyType(dict(sorted(self._virtual.items())))
 
     @property
     def aggressive_updates(self) -> Mapping[str, MatchSpec]:
diff --git a/news/378-sort-installed b/news/378-sort-installed
index 3f2cdc78..70ac27df 100644
--- a/news/378-sort-installed
+++ b/news/378-sort-installed
@@ -4,7 +4,7 @@
 
 ### Bug fixes
 
-* Ensure installed packages are always sorted to avoid injecting accidental randomness in the solve process. (#378)
+* Ensure installed and virtual packages are always sorted to avoid injecting accidental randomness in the solve process. (#378)
 
 ### Deprecations