diff --git a/build/moz.configure/toolchain.configure b/build/moz.configure/toolchain.configure
index 002a4cbbc2f0..bdb1fdecb596 100755
--- a/build/moz.configure/toolchain.configure
+++ b/build/moz.configure/toolchain.configure
@@ -6,7 +6,7 @@
 
 # PGO
 # ==============================================================
-option(env='MOZ_PGO', help='Build with profile guided optimizations')
+js_option(env='MOZ_PGO', help='Build with profile guided optimizations')
 
 set_config('MOZ_PGO', depends('MOZ_PGO')(lambda x: bool(x)))
 add_old_configure_assignment('MOZ_PGO', depends('MOZ_PGO')(lambda x: bool(x)))