diff --git a/make/system-tools-extra.mk b/make/system-tools-extra.mk
index 136c8326..92008eaa 100644
--- a/make/system-tools-extra.mk
+++ b/make/system-tools-extra.mk
@@ -192,21 +192,24 @@ $(D)/python: $(ARCHIVE)/Python-$(PYTHON_VER).tgz | $(TARGET_DIR)
 
 # -----------------------------------------------------------------------------
 
-$(D)/astra-sm: $(D)/openssl | $(TARGET_DIR)
-	# workaround unrecognized command line options
-	make astra-sm-no-march-cflags TARGET_MARCH_CFLAGS=""
-
-$(D)/astra-sm-no-march-cflags:
-	$(REMOVE)/astra-sm
-	git clone https://gitlab.com/crazycat69/astra-sm.git $(BUILD_TMP)/astra-sm; \
-	$(CHDIR)/astra-sm; \
+$(ARCHIVE)/astra-sm.git:
+	get-git-source.sh https://gitlab.com/crazycat69/astra-sm.git $@
+
+PHONY += $(ARCHIVE)/astra-sm.git
+
+# workaround unrecognized command line options
+$(D)/astra-sm: TARGET_MARCH_CFLAGS=""
+$(D)/astra-sm: $(ARCHIVE)/astra-sm.git $(D)/openssl | $(TARGET_DIR)
+	$(REMOVE)/astra-sm.git
+	$(CPDIR)/astra-sm.git
+	$(CHDIR)/astra-sm.git; \
 		autoreconf -fi; \
 		$(CONFIGURE) \
 			--prefix= \
 			--without-lua-compiler \
 			; \
 		$(MAKE) install DESTDIR=$(TARGET_DIR)
-	$(REMOVE)/astra-sm
+	$(REMOVE)/astra-sm.git
 	$(TOUCH)
 
 # -----------------------------------------------------------------------------