diff --git a/var/spack/repos/builtin/packages/glog/package.py b/var/spack/repos/builtin/packages/glog/package.py
index ee55f1fb606526cad5f548fb4f85d237e2f9b2f7..3f65de6727e98b888f83d4c4c0f552ee9568646d 100644
--- a/var/spack/repos/builtin/packages/glog/package.py
+++ b/var/spack/repos/builtin/packages/glog/package.py
@@ -40,7 +40,7 @@ class Glog(Package):
 
     def install(self, spec, prefix):
         configure('--prefix=%s' % prefix)
-        make
+        make()
         make('install')
 
     @when('@0.3.5:')
@@ -50,5 +50,5 @@ def install(self, spec, prefix):
 
         with working_dir('spack-build', create=True):
             cmake('..', *cmake_args)
-            make
+            make()
             make('install')