1 files changed, 6 insertions, 1 deletions
diff --git a/synapse/config/__main__.py b/synapse/config/__main__.py
index ea9e7907a6..0a3b70e11f 100644
--- a/synapse/config/__main__.py
+++ b/synapse/config/__main__.py
@@ -12,6 +12,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+from synapse.config._base import ConfigError
 
 if __name__ == "__main__":
     import sys
@@ -21,7 +22,11 @@ if __name__ == "__main__":
 
     if action == "read":
         key = sys.argv[2]
-        config = HomeServerConfig.load_config("", sys.argv[3:])
+        try:
+            config = HomeServerConfig.load_config("", sys.argv[3:])
+        except ConfigError as e:
+            sys.stderr.write("\n" + e.message + "\n")
+            sys.exit(1)
 
         print getattr(config, key)
         sys.exit(0)