diff --git a/fs/littlefs/Make.defs b/fs/littlefs/Make.defs
index 57109d5755..b23c30cbff 100644
--- a/fs/littlefs/Make.defs
+++ b/fs/littlefs/Make.defs
@@ -54,7 +54,7 @@ ifeq ($(CONFIG_FS_LITTLEFS_MULTI_VERSION),y)
 CFLAGS += -DLFS_MULTIVERSION
 endif
 
-LITTLEFS_TARBALL = $(CONFIG_FS_LITTLEFS_VERSION).tar.gz
+LITTLEFS_TARBALL = $(shell echo $(CONFIG_FS_LITTLEFS_VERSION).tar.gz)
 
 $(LITTLEFS_TARBALL):
 	$(call DOWNLOAD,https://github.com/ARMmbed/littlefs/archive,$(LITTLEFS_TARBALL),littlefs/$(LITTLEFS_TARBALL))