diff --git a/Makefile b/Makefile
index 3446ec86..7d0a961e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,7 @@
 T := dev/make_virtual_target
 
+recursive_wildcard=$(foreach d, $(wildcard $(1:=/*)), $(call recursive_wildcard, $d, $2) $(filter $(subst *, %, $2), $d))
+
 PACKAGE_JSONS := package.json
 PACKAGE_JSONS += packages/backend/package.json
 PACKAGE_JSONS += packages/client/package.json
@@ -8,7 +10,7 @@ PACKAGE_JSONS += packages/megalodon/package.json
 PACKAGE_JSONS += packages/sw/package.json
 
 RUST_DIR := packages/backend/native-utils
-RUSTY_STUFF := $(foreach dir, $(RUST_DIR)/src, $(wildcard $(dir)/*))
+RUSTY_STUFF := $(call recursive_wildcard, $(RUST_DIR)/src, *)
 RUSTY_STUFF += $(RUST_DIR)/Cargo.toml
 
 MIGRATIONS := $(foreach dir, packages/backend/migration, $(wildcard $(dir)/*))
diff --git a/docs/contributing.md b/docs/contributing.md
index c4155298..ba642211 100644
--- a/docs/contributing.md
+++ b/docs/contributing.md
@@ -12,7 +12,7 @@
 
     - podman
     - podman-compose
-    - make
+    - GNU Make
     - nodejs
     - pnpm
     - shellcheck