diff --git a/lib/spack/spack/fetch_strategy.py b/lib/spack/spack/fetch_strategy.py
index f1f787f4c7f16d2cb00e8a8e4527cb3f3b4520c9..2cbe43cd1ba25ca4484b495a839793c555a4c868 100644
--- a/lib/spack/spack/fetch_strategy.py
+++ b/lib/spack/spack/fetch_strategy.py
@@ -915,7 +915,7 @@ def from_kwargs(**kwargs):
     # Raise an error in case we can't instantiate any known strategy
     message = "Cannot instantiate any FetchStrategy"
     long_message = message + " from the given arguments : {arguments}".format(
-        srguments=kwargs)
+        arguments=kwargs)
     raise FetchError(message, long_message)