diff --git a/LegacyPasswordGenerator.m b/LegacyPasswordGenerator.m
index 419e854..98cca19 100644
--- a/LegacyPasswordGenerator.m
+++ b/LegacyPasswordGenerator.m
@@ -64,6 +64,7 @@
 
 	[siteHash updateWithBuffer: _site.UTF8String
 			    length: _site.UTF8StringLength];
+	[siteHash calculate];
 
 	[_output release];
 	_output = nil;
diff --git a/NewPasswordGenerator.m b/NewPasswordGenerator.m
index f7a3c01..1c4fe7c 100644
--- a/NewPasswordGenerator.m
+++ b/NewPasswordGenerator.m
@@ -51,6 +51,7 @@
 
 	[siteHash updateWithBuffer: _site.UTF8String
 			    length: _site.UTF8StringLength];
+	[siteHash calculate];
 
 	[_output release];
 	_output = nil;