diff --git a/private/system_server.te b/private/system_server.te
index 182b004b035719a45df23c21958f451a4a8e1b46..01da377400c140d72e5b7dac3855597746e0d6fe 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -375,6 +375,10 @@ unix_socket_connect(system_server, tombstoned_java_trace, tombstoned)
 allow system_server tombstoned:fd use;
 allow system_server dumpstate:fifo_file append;
 allow system_server incidentd:fifo_file append;
+# Write to a pipe created from `adb shell` (for debuggerd -j `pidof system_server`)
+userdebug_or_eng(`
+  allow system_server su:fifo_file append;
+')
 
 # Read /data/misc/incidents - only read. The fd will be sent over binder,
 # with no DAC access to it, for dropbox to read.