diff --git a/make/project.mk b/make/project.mk
index a2f26e8f1..01b29bcb3 100644
--- a/make/project.mk
+++ b/make/project.mk
@@ -511,7 +511,7 @@ check-submodules: $(IDF_PATH)/$(1)/.git
 $(IDF_PATH)/$(1)/.git:
 	@echo "WARNING: Missing submodule $(1)..."
 	[ -e ${IDF_PATH}/.git ] || ( echo "ERROR: esp-idf must be cloned from git to work."; exit 1)
-	[ -x $$(which git) ] || ( echo "ERROR: Need to run 'git submodule init $(1)' in esp-idf root directory."; exit 1)
+	[ -x "$(shell which git)" ] || ( echo "ERROR: Need to run 'git submodule init $(1)' in esp-idf root directory."; exit 1)
 	@echo "Attempting 'git submodule update --init $(1)' in esp-idf root directory..."
 	cd ${IDF_PATH} && git submodule update --init $(1)