diff --git a/modules.gni b/modules.gni
index d543d55..9bf257b 100644
--- a/modules.gni
+++ b/modules.gni
@@ -16,6 +16,8 @@
 # allows modules to be moved or swapped out without breaking existing builds.
 # All module variables are prefixed with dir_.
 
+dir_pw_assert = "$dir_pigweed/pw_assert"
+dir_pw_assert_basic = "$dir_pigweed/pw_assert_basic"
 dir_pw_base64 = "$dir_pigweed/pw_base64"
 dir_pw_bloat = "$dir_pigweed/pw_bloat"
 dir_pw_boot_armv7m = "$dir_pigweed/pw_boot_armv7m"