diff --git a/spec/acceptance/db_spec.rb b/spec/acceptance/db_spec.rb
index 5c62237..449c4b0 100644
--- a/spec/acceptance/db_spec.rb
+++ b/spec/acceptance/db_spec.rb
@@ -47,7 +47,7 @@ describe 'postgresql::server::db', :unless => UNSUPPORTED_PLATFORMS.include?(fac
         expect(r.stdout).to match(/\(1 row\)/)
       end
     ensure
-      psql('--command="drop database "postgresql-test-db" postgres')
+      psql('--command=\'drop database "postgresql-test-db" postgres\'')
       psql('--command="DROP USER test"')
     end
   end