diff --git a/src/servers/app/server/app_server.rdef b/src/servers/app/server/app_server.rdef
index 64f369a295..129ea9d11e 100644
--- a/src/servers/app/server/app_server.rdef
+++ b/src/servers/app/server/app_server.rdef
@@ -24,7 +24,7 @@ resource app_signature "application/x-vnd.OpenBeOS-app-server";
    0000000E = ARGV_ONLY + BACKGROUND APP + EXCLUSIVE LAUNCH
    */
 
-resource app_flags 0x00000004;
+resource app_flags B_SINGLE_LAUNCH | B_BACKGROUND_APP;
 
 resource app_version {
 
diff --git a/src/servers/input/input_server.rdef b/src/servers/input/input_server.rdef
index 3109acec07..8f7a0f1fb4 100644
--- a/src/servers/input/input_server.rdef
+++ b/src/servers/input/input_server.rdef
@@ -24,7 +24,7 @@ resource app_signature "application/x-vnd.OBOS-input_server";
    0000000E = ARGV_ONLY + BACKGROUND APP + EXCLUSIVE LAUNCH
    */
 
-resource app_flags 0x00000006;
+resource app_flags B_EXCLUSIVE_LAUNCH | B_BACKGROUND_APP;
 
 resource app_version {
 
diff --git a/src/servers/media/media_server.rdef b/src/servers/media/media_server.rdef
index 1d90869fd6..e7e2875f1d 100644
--- a/src/servers/media/media_server.rdef
+++ b/src/servers/media/media_server.rdef
@@ -24,7 +24,7 @@ resource app_signature "application/x-vnd.OpenBeOS-media-server";
    0000000E = ARGV_ONLY + BACKGROUND APP + EXCLUSIVE LAUNCH
    */
 
-resource app_flags 0x00000002;
+resource app_flags B_EXCLUSIVE_LAUNCH;
 
 resource app_version {
 
diff --git a/src/servers/media_addon/media_addon_server.rdef b/src/servers/media_addon/media_addon_server.rdef
index 575e1095da..6f324cbdc8 100644
--- a/src/servers/media_addon/media_addon_server.rdef
+++ b/src/servers/media_addon/media_addon_server.rdef
@@ -24,7 +24,7 @@ resource app_signature "application/x-vnd.OpenBeOS-addon-host";
    0000000E = ARGV_ONLY + BACKGROUND APP + EXCLUSIVE LAUNCH
    */
 
-resource app_flags 0x00000002;
+resource app_flags B_EXCLUSIVE_LAUNCH;
 
 resource app_version {
 
diff --git a/src/servers/registrar/registrar.rdef b/src/servers/registrar/registrar.rdef
index 3f9e64b8ff..084dccff96 100644
--- a/src/servers/registrar/registrar.rdef
+++ b/src/servers/registrar/registrar.rdef
@@ -24,7 +24,7 @@ resource app_signature "application/x-vnd.OBOS-registrar";
    0000000E = ARGV_ONLY + BACKGROUND APP + EXCLUSIVE LAUNCH
    */
 
-resource app_flags 0x00000004;
+resource app_flags B_SINGLE_LAUNCH | B_BACKGROUND_APP;
 
 resource app_version {