diff --git a/src/tests/kits/net/DialUpPreflet/DialUpApplication.cpp b/src/tests/kits/net/DialUpPreflet/DialUpApplication.cpp
index 290de28f9e..cf17059126 100644
--- a/src/tests/kits/net/DialUpPreflet/DialUpApplication.cpp
+++ b/src/tests/kits/net/DialUpPreflet/DialUpApplication.cpp
@@ -28,7 +28,7 @@
 #include "DialUpView.h"
 
 
-static const char *kSignature = "application/x-obos.dial-up-preflet";
+static const char *kSignature = "application/x-haiku.dial-up-preflet";
 
 
 class DialUpApplication : public BApplication {
diff --git a/src/tests/kits/net/DialUpPreflet/DialUpPreflet.rdef b/src/tests/kits/net/DialUpPreflet/DialUpPreflet.rdef
index 5a3045c3a3..4a919e874b 100644
--- a/src/tests/kits/net/DialUpPreflet/DialUpPreflet.rdef
+++ b/src/tests/kits/net/DialUpPreflet/DialUpPreflet.rdef
@@ -2,7 +2,7 @@
 	DialUpPreflet.rdef
 */
 
-resource app_signature "application/x-obos.dial-up-preflet";
+resource app_signature "application/x-haiku.dial-up-preflet";
 
 /* BEOS:APP_FLAGS :
    00000000 = 							   SINGLE LAUNCH