diff --git a/b2g/config/emulator-ics/config.json b/b2g/config/emulator-ics/config.json
index 179c73309768..ecb773865f58 100644
--- a/b2g/config/emulator-ics/config.json
+++ b/b2g/config/emulator-ics/config.json
@@ -21,5 +21,6 @@
         }
     },
     "b2g_manifest": "emulator.xml",
-    "b2g_manifest_branch": "master"
+    "b2g_manifest_branch": "master",
+    "b2g_manifest_intree": true
 }
diff --git a/b2g/config/emulator-jb/config.json b/b2g/config/emulator-jb/config.json
index 0490be0f04cc..9d54b8e4fcc7 100644
--- a/b2g/config/emulator-jb/config.json
+++ b/b2g/config/emulator-jb/config.json
@@ -27,5 +27,6 @@
         }
     },
     "b2g_manifest": "emulator-jb.xml",
-    "b2g_manifest_branch": "master"
+    "b2g_manifest_branch": "master",
+    "b2g_manifest_intree": true
 }
diff --git a/b2g/config/emulator/config.json b/b2g/config/emulator/config.json
index 8998984207dc..a0571ba5d59a 100644
--- a/b2g/config/emulator/config.json
+++ b/b2g/config/emulator/config.json
@@ -26,5 +26,6 @@
         }
     },
     "b2g_manifest": "emulator.xml",
-    "b2g_manifest_branch": "master"
+    "b2g_manifest_branch": "master",
+    "b2g_manifest_intree": true
 }
diff --git a/b2g/config/hamachi/config.json b/b2g/config/hamachi/config.json
index 187c23590b5d..158305c1d4bc 100644
--- a/b2g/config/hamachi/config.json
+++ b/b2g/config/hamachi/config.json
@@ -29,6 +29,7 @@
     },
     "b2g_manifest": "hamachi.xml",
     "b2g_manifest_branch": "master",
+    "b2g_manifest_intree": true,
     "additional_source_tarballs": ["backup-hamachi.tar.xz"],
     "gecko_l10n_root": "http://hg.mozilla.org/l10n-central",
     "gaia": {
diff --git a/b2g/config/helix/config.json b/b2g/config/helix/config.json
index 2f0910acb21e..47ed492ecde7 100644
--- a/b2g/config/helix/config.json
+++ b/b2g/config/helix/config.json
@@ -24,6 +24,7 @@
     },
     "b2g_manifest": "helix.xml",
     "b2g_manifest_branch": "master",
+    "b2g_manifest_intree": true,
     "additional_source_tarballs": ["helix-ics.tar.xz"],
     "gecko_l10n_root": "http://hg.mozilla.org/l10n-central",
     "gaia": {
diff --git a/b2g/config/inari/config.json b/b2g/config/inari/config.json
index 9613ed514af4..fc751212c22a 100644
--- a/b2g/config/inari/config.json
+++ b/b2g/config/inari/config.json
@@ -29,6 +29,7 @@
     },
     "b2g_manifest": "inari.xml",
     "b2g_manifest_branch": "master",
+    "b2g_manifest_intree": true,
     "additional_source_tarballs": ["backup-inari.tar.xz"],
     "gecko_l10n_root": "http://hg.mozilla.org/l10n-central",
     "gaia": {
diff --git a/b2g/config/leo/config.json b/b2g/config/leo/config.json
index 66a65f11b004..8e7b68b93d88 100644
--- a/b2g/config/leo/config.json
+++ b/b2g/config/leo/config.json
@@ -24,6 +24,7 @@
     },
     "b2g_manifest": "leo.xml",
     "b2g_manifest_branch": "master",
+    "b2g_manifest_intree": true,
     "additional_source_tarballs": ["backup-leo.tar.xz"],
     "gecko_l10n_root": "http://hg.mozilla.org/l10n-central",
     "gaia": {
diff --git a/b2g/config/mako/config.json b/b2g/config/mako/config.json
index 000a61263c4a..05df8adc02cd 100644
--- a/b2g/config/mako/config.json
+++ b/b2g/config/mako/config.json
@@ -29,6 +29,7 @@
     },
     "b2g_manifest": "nexus-4.xml",
     "b2g_manifest_branch": "master",
+    "b2g_manifest_intree": true,
     "additional_source_tarballs": [],
     "gecko_l10n_root": "http://hg.mozilla.org/l10n-central",
     "gaia": {
diff --git a/b2g/config/wasabi/config.json b/b2g/config/wasabi/config.json
index 8e8da3f13479..54a9afa0acbd 100644
--- a/b2g/config/wasabi/config.json
+++ b/b2g/config/wasabi/config.json
@@ -24,6 +24,7 @@
     },
     "b2g_manifest": "wasabi.xml",
     "b2g_manifest_branch": "master",
+    "b2g_manifest_intree": true,
     "additional_source_tarballs": ["backup-wasabi.tar.gz"],
     "gecko_l10n_root": "http://hg.mozilla.org/l10n-central",
     "gaia": {