diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py
index 4838fd99466..a0ab38c0498 100644
--- a/lib/spack/spack/spec.py
+++ b/lib/spack/spack/spec.py
@@ -1619,7 +1619,7 @@ def __init__(self, provided, required, constraint_type):
 class UnsatisfiableSpecNameError(UnsatisfiableSpecError):
     """Raised when two specs aren't even for the same package."""
     def __init__(self, provided, required):
-        super(UnsatisfiableVersionSpecError, self).__init__(
+        super(UnsatisfiableSpecNameError, self).__init__(
             provided, required, "name")