diff --git a/src/apps/deskbar/TimeView.cpp b/src/apps/deskbar/TimeView.cpp
index 110991fa4e..02f67560c2 100644
--- a/src/apps/deskbar/TimeView.cpp
+++ b/src/apps/deskbar/TimeView.cpp
@@ -227,7 +227,7 @@ TTimeView::MessageReceived(BMessage* message)
 
 		case kMsgChangeClock:
 			// launch the time prefs app
-			be_roster->Launch("application/x-vnd.Be-TIME");
+			be_roster->Launch("application/x-vnd.Haiku-Time");
 			break;
 
 		case 'time':
diff --git a/src/preferences/time/Time.cpp b/src/preferences/time/Time.cpp
index 76a2e6966c..3bf262ab37 100644
--- a/src/preferences/time/Time.cpp
+++ b/src/preferences/time/Time.cpp
@@ -18,7 +18,7 @@
 #include <unistd.h>
 
 
-const char* kAppSignature = "application/x-vnd.Be-TIME";
+const char* kAppSignature = "application/x-vnd.Haiku-Time";
 
 
 TimeApplication::TimeApplication()
diff --git a/src/preferences/time/Time.rdef b/src/preferences/time/Time.rdef
index c6bf975cfa..abd2dd8ae8 100644
--- a/src/preferences/time/Time.rdef
+++ b/src/preferences/time/Time.rdef
@@ -1,5 +1,5 @@
 
-resource app_signature "application/x-vnd.Be-TIME";
+resource app_signature "application/x-vnd.Haiku-Time";
 
 resource app_flags B_SINGLE_LAUNCH;