diff --git a/package/luarocks/luarocks.mk b/package/luarocks/luarocks.mk
index 2b6c9753a3..ccbaaf7947 100644
--- a/package/luarocks/luarocks.mk
+++ b/package/luarocks/luarocks.mk
@@ -53,8 +53,8 @@ endef
 
 $(eval $(host-generic-package))
 
-LUAROCKS_RUN = LUA_PATH="$(HOST_DIR)/usr/share/lua/$(LUAINTERPRETER_ABIVER)/?.lua" \
-	$(LUA_RUN) $(HOST_DIR)/usr/bin/luarocks
+LUAROCKS_RUN_ENV = LUA_PATH="$(HOST_DIR)/usr/share/lua/$(LUAINTERPRETER_ABIVER)/?.lua"
+LUAROCKS_RUN_CMD = $(LUA_RUN) $(HOST_DIR)/usr/bin/luarocks
 
 define LUAROCKS_FINALIZE_TARGET
 	rm -rf $(TARGET_DIR)/usr/lib/luarocks
diff --git a/package/pkg-luarocks.mk b/package/pkg-luarocks.mk
index 83f338efd5..da5c912c81 100644
--- a/package/pkg-luarocks.mk
+++ b/package/pkg-luarocks.mk
@@ -49,7 +49,7 @@ $(2)_DEPENDENCIES	+= host-luarocks luainterpreter
 ifndef $(2)_EXTRACT_CMDS
 define $(2)_EXTRACT_CMDS
 	cd $$($(2)_DIR)/.. && \
-		$$(LUAROCKS_RUN) unpack --force $$(DL_DIR)/$$($(2)_SOURCE)
+		$$(LUAROCKS_RUN_ENV) $$(LUAROCKS_RUN_CMD) unpack --force $$(DL_DIR)/$$($(2)_SOURCE)
 endef
 endif
 
@@ -58,8 +58,8 @@ endif
 #
 ifndef $(2)_INSTALL_TARGET_CMDS
 define $(2)_INSTALL_TARGET_CMDS
-	cd $$($(2)_SRCDIR) && \
-		$$(LUAROCKS_RUN) make --keep $$($(2)_ROCKSPEC) $$($(2)_BUILD_OPTS)
+	cd $$($(2)_SRCDIR) && $$(LUAROCKS_RUN_ENV) flock $$(TARGET_DIR) \
+		$$(LUAROCKS_RUN_CMD) make --keep $$($(2)_ROCKSPEC) $$($(2)_BUILD_OPTS)
 endef
 endif