diff --git a/Info.plist b/Info.plist
index 102856b..6e38acc 100644
--- a/Info.plist
+++ b/Info.plist
@@ -42,7 +42,7 @@
 	<key>CFBundleVersion</key>
 	<string>0.43rc7</string>
 	<key>CFBundleShortVersionString</key>
-	<string>commit id: 904d37d</string>
+	<string>commit id: </string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
diff --git a/MWXMLNodeAdditions.m b/MWXMLNodeAdditions.m
index 65b50fd..928c198 100644
--- a/MWXMLNodeAdditions.m
+++ b/MWXMLNodeAdditions.m
@@ -33,7 +33,7 @@
 
 - (void)oneStepWillChangeValueForKey:(NSString *)key{
 
-	if([self parent] != Nil){
+	if([self parent] != Nil && key != Nil){
 		[super willChangeValueForKey:key];
 		[super willChangeValueForKey:[self name]];
 		[super willChangeValueForKey:@"prettyXMLString"];
@@ -43,7 +43,7 @@
 
 
 - (void)oneStepDidChangeValueForKey:(NSString *)key{
-	if([self parent] != Nil){
+	if([self parent] != Nil && key != Nil){
 		[super didChangeValueForKey:key];
 		[super didChangeValueForKey:[self name]];
 		[super didChangeValueForKey:@"prettyXMLString"];