diff --git a/var/spack/repos/builtin/packages/gmp/package.py b/var/spack/repos/builtin/packages/gmp/package.py
index de872f09e074110657e59ed3df76ad171487994d..dcabbff67eadc352e801381defdbe90c459a1250 100644
--- a/var/spack/repos/builtin/packages/gmp/package.py
+++ b/var/spack/repos/builtin/packages/gmp/package.py
@@ -41,7 +41,7 @@ class Gmp(AutotoolsPackage):
 
     def configure_args(self):
         args = ['--enable-cxx']
-         # We need this flag if we want all the following checks to pass.
+        # We need this flag if we want all the following checks to pass.
         if spec.compiler.name == 'intel':
             args.append('CXXFLAGS=-no-ftz')