diff --git a/dom/media/ipc/RDDParent.cpp b/dom/media/ipc/RDDParent.cpp
index d31bbfea2daa..46876cbf053d 100644
--- a/dom/media/ipc/RDDParent.cpp
+++ b/dom/media/ipc/RDDParent.cpp
@@ -48,6 +48,7 @@
 
 #include "mozilla/ipc/ProcessUtils.h"
 #include "nsDebugImpl.h"
+#include "nsIXULRuntime.h"
 #include "nsThreadManager.h"
 
 #if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)
@@ -272,7 +273,7 @@ mozilla::ipc::IPCResult RDDParent::RecvFlushFOGData(
 
 mozilla::ipc::IPCResult RDDParent::RecvTestTriggerMetrics(
     TestTriggerMetricsResolver&& aResolve) {
-  mozilla::glean::test_only_ipc::a_counter.Add(45327);
+  mozilla::glean::test_only_ipc::a_counter.Add(nsIXULRuntime::PROCESS_TYPE_RDD);
   aResolve(true);
   return IPC_OK();
 }
diff --git a/gfx/ipc/GPUParent.cpp b/gfx/ipc/GPUParent.cpp
index 8e8d96352da0..aacc1386dca0 100644
--- a/gfx/ipc/GPUParent.cpp
+++ b/gfx/ipc/GPUParent.cpp
@@ -58,6 +58,7 @@
 #include "mozilla/webrender/WebRenderAPI.h"
 #include "nsDebugImpl.h"
 #include "nsIGfxInfo.h"
+#include "nsIXULRuntime.h"
 #include "nsThreadManager.h"
 #include "nscore.h"
 #include "prenv.h"
@@ -627,7 +628,7 @@ mozilla::ipc::IPCResult GPUParent::RecvFlushFOGData(
 
 mozilla::ipc::IPCResult GPUParent::RecvTestTriggerMetrics(
     TestTriggerMetricsResolver&& aResolve) {
-  mozilla::glean::test_only_ipc::a_counter.Add(45326);
+  mozilla::glean::test_only_ipc::a_counter.Add(nsIXULRuntime::PROCESS_TYPE_GPU);
   aResolve(true);
   return IPC_OK();
 }
diff --git a/toolkit/components/glean/tests/browser/browser_fog_gpu.js b/toolkit/components/glean/tests/browser/browser_fog_gpu.js
index 04707ef2fddf..8b9087f8790e 100644
--- a/toolkit/components/glean/tests/browser/browser_fog_gpu.js
+++ b/toolkit/components/glean/tests/browser/browser_fog_gpu.js
@@ -30,8 +30,8 @@ add_task(async () => {
   await Services.fog.testFlushAllChildren();
 
   is(
-    45326, // See gfx/ipc/GPUParent.cpp's RecvTestTriggerMetrics().
     Glean.testOnlyIpc.aCounter.testGetValue(),
+    Ci.nsIXULRuntime.PROCESS_TYPE_GPU,
     "Ensure the GPU-process-set value shows up in the parent process."
   );
 });
diff --git a/toolkit/components/glean/tests/browser/browser_fog_rdd.js b/toolkit/components/glean/tests/browser/browser_fog_rdd.js
index 97d185067823..804b97bb0d67 100644
--- a/toolkit/components/glean/tests/browser/browser_fog_rdd.js
+++ b/toolkit/components/glean/tests/browser/browser_fog_rdd.js
@@ -57,8 +57,8 @@ add_task(async () => {
   await Services.fog.testFlushAllChildren();
 
   is(
-    45327, // See dom/media/ipc/RDDParent.cpp's RecvTestTriggerMetrics().
     Glean.testOnlyIpc.aCounter.testGetValue(),
+    Ci.nsIXULRuntime.PROCESS_TYPE_RDD,
     "Ensure the RDD-process-set value shows up in the parent process."
   );