diff --git a/configure.in b/configure.in
index ea300c59b9..58f00eeac2 100644
--- a/configure.in
+++ b/configure.in
@@ -6099,6 +6099,7 @@ AC_SUBST(MOZ_D3DCOMPILER_DLL)
 
 AC_SUBST(ENABLE_STRIP)
 AC_SUBST(PKG_SKIP_STRIP)
+AC_SUBST(STRIP_FLAGS)
 AC_SUBST(USE_ELF_DYNSTR_GC)
 AC_SUBST(INCREMENTAL_LINKER)
 AC_SUBST(MOZ_COMPONENTS_VERSION_SCRIPT_LDFLAGS)