diff --git a/eng/pipelines/extra-platforms/runtime-extra-platforms-other.yml b/eng/pipelines/extra-platforms/runtime-extra-platforms-other.yml
index 216abbec9e54d4..812abec3d7966c 100644
--- a/eng/pipelines/extra-platforms/runtime-extra-platforms-other.yml
+++ b/eng/pipelines/extra-platforms/runtime-extra-platforms-other.yml
@@ -93,7 +93,7 @@ jobs:
       testGroup: innerloop
       isSingleFile: true
       nameSuffix: NativeAOT_Libs
-      buildArgs: -s clr.runtime+clr.aot+host.native+libs+libs.tests -c $(_BuildConfig) /p:TestNativeAot=true /p:ArchiveTests=true
+      buildArgs: -s clr.runtime+clr.aot+host.native+libs+libs.tests -c $(_BuildConfig) /p:TestNativeAot=true /p:ArchiveTests=true /p:UseNativeAotCoreLib=true
       timeoutInMinutes: 300 # doesn't normally take this long, but I've seen Helix queues backed up for 160 minutes
       # extra steps, run tests
       extraStepsTemplate: /eng/pipelines/libraries/helix.yml
diff --git a/eng/pipelines/runtime.yml b/eng/pipelines/runtime.yml
index b420eb3c9f5209..a4ab84dcf56d1d 100644
--- a/eng/pipelines/runtime.yml
+++ b/eng/pipelines/runtime.yml
@@ -203,7 +203,7 @@ extends:
             testGroup: innerloop
             timeoutInMinutes: 120
             nameSuffix: NativeAOT
-            buildArgs: -s clr.runtime+clr.aot+host.native+libs -rc $(_BuildConfig) -lc Release -hc Release
+            buildArgs: -s clr.runtime+clr.aot+host.native+libs -rc $(_BuildConfig) -lc Release -hc Release /p:UseNativeAotCoreLib=true
             extraStepsTemplate: /eng/pipelines/coreclr/nativeaot-post-build-steps.yml
             condition: >-
               or(
@@ -225,7 +225,7 @@ extends:
             testGroup: innerloop
             timeoutInMinutes: 120
             nameSuffix: NativeAOT
-            buildArgs: -s clr.runtime+clr.aot+host.native+libs -rc $(_BuildConfig) -lc Release -hc Release
+            buildArgs: -s clr.runtime+clr.aot+host.native+libs -rc $(_BuildConfig) -lc Release -hc Release /p:UseNativeAotCoreLib=true
             extraStepsTemplate: /eng/pipelines/coreclr/nativeaot-post-build-steps.yml
             condition: >-
               or(
@@ -249,7 +249,7 @@ extends:
             testGroup: innerloop
             timeoutInMinutes: 120
             nameSuffix: NativeAOT
-            buildArgs: -s clr.runtime+clr.aot+host.native+libs -rc $(_BuildConfig) -lc Release -hc Release
+            buildArgs: -s clr.runtime+clr.aot+host.native+libs -rc $(_BuildConfig) -lc Release -hc Release /p:UseNativeAotCoreLib=true
             extraStepsTemplate: /eng/pipelines/coreclr/nativeaot-post-build-steps.yml
             condition: >-
               or(
@@ -274,7 +274,7 @@ extends:
             testGroup: innerloop
             isSingleFile: true
             nameSuffix: NativeAOT
-            buildArgs: -s clr.runtime+clr.aot+host.native+libs+libs.tests -c $(_BuildConfig) /p:TestNativeAot=true /p:RunSmokeTestsOnly=true /p:ArchiveTests=true
+            buildArgs: -s clr.runtime+clr.aot+host.native+libs+libs.tests -c $(_BuildConfig) /p:TestNativeAot=true /p:RunSmokeTestsOnly=true /p:ArchiveTests=true /p:UseNativeAotCoreLib=true
             timeoutInMinutes: 240 # Doesn't actually take long, but we've seen the ARM64 Helix queue often get backlogged for 2+ hours
             # extra steps, run tests
             extraStepsTemplate: /eng/pipelines/libraries/helix.yml