diff --git a/tools/versioner/src/Driver.cpp b/tools/versioner/src/Driver.cpp
index 927a0f5..184c3d4 100644
--- a/tools/versioner/src/Driver.cpp
+++ b/tools/versioner/src/Driver.cpp
@@ -125,6 +125,7 @@
   cmd.push_back(arch_targets[type.arch]);
 
   cmd.push_back("-DANDROID");
+  cmd.push_back("-D__BIONIC_VERSIONER=1");
   cmd.push_back("-D__ANDROID_API__="s + std::to_string(type.api_level));
   cmd.push_back("-D_FORTIFY_SOURCE=2");
   cmd.push_back("-D_GNU_SOURCE");