diff --git a/Makefile b/Makefile
index 87a9866..04c0588 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,11 @@ submodules:
 	@# Initialize submodules when present
 	@if [ -f .gitmodules ] && command -v git >/dev/null 2>&1; then \
 		git submodule update --init --recursive; \
+		for path in $$(git config --file .gitmodules --get-regexp path | awk '{print $$2}'); do \
+			if [ -f "$$path/Makefile" ]; then \
+				$(MAKE) -C "$$path"; \
+			fi; \
+		done; \
 	fi
 
 install: submodules