diff --git a/CHANGELOG.md b/CHANGELOG.md
index b976f7e5..da872179 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [0.9.1]
+
+### Fixed
+- bug where string values were being set as `set-string`
+
+
 ## [0.9.0]
 
 ### Added
diff --git a/reckoner/chart.py b/reckoner/chart.py
index bf13a295..9df269b6 100644
--- a/reckoner/chart.py
+++ b/reckoner/chart.py
@@ -220,7 +220,7 @@ def install(self, namespace=None, context=None):
 
         for key, value in self.values_strings.iteritems():
             for k, v in self._format_set(key, value):
-                self.args.append("--set={}={}".format(k, v))
+                self.args.append("--set-string={}={}".format(k, v))
 
         self.__check_env_vars()
         try:
diff --git a/reckoner/meta.py b/reckoner/meta.py
index b82f0547..fae38b12 100644
--- a/reckoner/meta.py
+++ b/reckoner/meta.py
@@ -14,5 +14,5 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = '0.9.0'
+__version__ = '0.9.1'
 __author__ = 'ReactiveOps, Inc.'
diff --git a/tests/test_course.yml b/tests/test_course.yml
index 6cfd6a23..1b6483fa 100644
--- a/tests/test_course.yml
+++ b/tests/test_course.yml
@@ -24,8 +24,7 @@ charts:
       string: string
       integer: 10
       boolean: True
-      test_environ_var: ${test_environ_var}
-  centrifugo:
+  centrifugo: 
     repository:
       git: https://github.com/kubernetes/charts.git
       path: stable
diff --git a/tests/test_reckoner.py b/tests/test_reckoner.py
index 17e3672a..87fae143 100644
--- a/tests/test_reckoner.py
+++ b/tests/test_reckoner.py
@@ -314,7 +314,6 @@ def test_chart_values(self):
             elif chart.name == test_nested_values_chart:
                 self.assertEqual(chart.values, test_nested_values)
             elif chart.release_name == test_values_strings_chart:
-                self.assertEqual(chart.values_strings, test_flat_values, )
                 self.assertIsInstance(chart.values_strings['string'], str)
                 self.assertIsInstance(chart.values_strings['integer'], int)
                 self.assertIsInstance(chart.values_strings['boolean'], bool)
@@ -360,6 +359,21 @@ def test_chart_install(self):
                      '--recreate-pods',
                      '--set={}={}'.format(test_environ_var_name, test_environ_var)]
                 )
+            if chart.release_name == test_values_strings_chart:
+                self.assertEqual(
+                    last_mock,
+                    [
+                        'helm', 'upgrade', '--install',
+                        chart.release_name,
+                        chart.chart_path,
+                        '--namespace={}'.format(chart.namespace),
+                        '--recreate-pods',
+                        '--version=0.1.0',
+                        '--set-string=string=string',
+                        '--set-string=integer=10',
+                        '--set-string=boolean=True'
+                    ]
+                )
 
 
 class TestRepository(TestBase):