diff --git a/octoprint_CalibrationTools/EStepsApi.py b/octoprint_CalibrationTools/EStepsApi.py
index ac11643..1bace92 100644
--- a/octoprint_CalibrationTools/EStepsApi.py
+++ b/octoprint_CalibrationTools/EStepsApi.py
@@ -69,7 +69,7 @@ class API(octoprint.plugin.SimpleApiPlugin):
                     ("E%(newESteps)s " % data if "newESteps" in data else "") +
                     ("X%(newXSteps)s " % data if "newXSteps" in data else "") +
                     ("Y%(newYSteps)s " % data if "newYSteps" in data else "") +
-                    ("Z%(newYSteps)s " % data if "newZSteps" in data else ""))
+                    ("Z%(newZSteps)s " % data if "newZSteps" in data else ""))
 
             #save data to EEPROM and cool-down
             self._printer.commands([steps, "M500"] + stopHeater)
diff --git a/setup.py b/setup.py
index 9a9d92f..9ec141e 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ plugin_package = "octoprint_CalibrationTools"
 plugin_name = "OctoPrint-CalibrationTools"
 
 # The plugin's version. Can be overwritten within OctoPrint's internal data via __plugin_version__ in the plugin module
-plugin_version = "1.0.3"
+plugin_version = "1.0.4"
 
 # The plugin's description. Can be overwritten within OctoPrint's internal data via __plugin_description__ in the plugin
 # module