diff --git a/devicetypes/smartthings/aeon-key-fob.src/aeon-key-fob.groovy b/devicetypes/smartthings/aeon-key-fob.src/aeon-key-fob.groovy
index b6d376f..40f5403 100644
--- a/devicetypes/smartthings/aeon-key-fob.src/aeon-key-fob.groovy
+++ b/devicetypes/smartthings/aeon-key-fob.src/aeon-key-fob.groovy
@@ -120,6 +120,15 @@ def configure() {
 	return cmd
 }
 
+
+def installed() {
+	initialize()
+}
+
 def updated() {
+	initialize()
+}
+
+def initialize() {
 	sendEvent(name: "numberOfButtons", value: 4)
 }
diff --git a/devicetypes/smartthings/aeon-minimote.src/aeon-minimote.groovy b/devicetypes/smartthings/aeon-minimote.src/aeon-minimote.groovy
index 4906fac..f1a0c0b 100644
--- a/devicetypes/smartthings/aeon-minimote.src/aeon-minimote.groovy
+++ b/devicetypes/smartthings/aeon-minimote.src/aeon-minimote.groovy
@@ -109,6 +109,15 @@ def configure() {
 	return cmds
 }
 
+
+def installed() {
+	initialize()
+}
+
 def updated() {
+	initialize()
+}
+
+def initialize() {
 	sendEvent(name: "numberOfButtons", value: 4)
 }
diff --git a/devicetypes/smartthings/cooper-rf9500.src/cooper-rf9500.groovy b/devicetypes/smartthings/cooper-rf9500.src/cooper-rf9500.groovy
index 2f83f77..5e22791 100644
--- a/devicetypes/smartthings/cooper-rf9500.src/cooper-rf9500.groovy
+++ b/devicetypes/smartthings/cooper-rf9500.src/cooper-rf9500.groovy
@@ -183,6 +183,15 @@ def updateState(String name, String value) {
 	device.updateDataValue(name, value)
 }
 
+
+def installed() {
+	initialize()
+}
+
 def updated() {
+	initialize()
+}
+
+def initialize() {
 	sendEvent(name: "numberOfButtons", value: 3)
 }
diff --git a/devicetypes/smartthings/smartsense-motion.src/smartsense-motion.groovy b/devicetypes/smartthings/smartsense-motion.src/smartsense-motion.groovy
index 5cf3743..5d60112 100644
--- a/devicetypes/smartthings/smartsense-motion.src/smartsense-motion.groovy
+++ b/devicetypes/smartthings/smartsense-motion.src/smartsense-motion.groovy
@@ -57,6 +57,7 @@ def parse(String description) {
 
 private Map parseBasicMessage(description) {
 	def name = parseName(description)
+	def results = [:]
 	if (name != null) {
 		def value = parseValue(description)
 		def linkText = getLinkText(device)
@@ -64,7 +65,7 @@ private Map parseBasicMessage(description) {
 		def handlerName = value
 		def isStateChange = isStateChange(device, name, value)
 
-		def results = [
+		results = [
 				name           : name,
 				value          : value,
 				linkText       : linkText,
@@ -73,8 +74,6 @@ private Map parseBasicMessage(description) {
 				isStateChange  : isStateChange,
 				displayed      : displayed(description, isStateChange)
 		]
-	} else {
-		results = [:]
 	}
 	log.debug "Parse returned $results.descriptionText"
 	return results
diff --git a/devicetypes/smartthings/testing/simulated-minimote.src/simulated-minimote.groovy b/devicetypes/smartthings/testing/simulated-minimote.src/simulated-minimote.groovy
index c2bb0cd..a538f81 100644
--- a/devicetypes/smartthings/testing/simulated-minimote.src/simulated-minimote.groovy
+++ b/devicetypes/smartthings/testing/simulated-minimote.src/simulated-minimote.groovy
@@ -126,6 +126,15 @@ private hold(button) {
 	sendEvent(name: "button", value: "held", data: [buttonNumber: button], descriptionText: "$device.displayName button $button was held", isStateChange: true)
 }
 
+
+def installed() {
+	initialize()
+}
+
 def updated() {
+	initialize()
+}
+
+def initialize() {
 	sendEvent(name: "numberOfButtons", value: 4)
 }