diff --git a/pkg/littlefs/Makefile.include b/pkg/littlefs/Makefile.include
index a5467e8f04..4793d99324 100644
--- a/pkg/littlefs/Makefile.include
+++ b/pkg/littlefs/Makefile.include
@@ -3,3 +3,8 @@ INCLUDES += -I$(PKGDIRBASE)/littlefs
 ifneq (,$(filter littlefs_fs,$(USEMODULE)))
   DIRS += $(RIOTBASE)/pkg/littlefs/fs
 endif
+
+# Set vfs file and dir buffer sizes
+CFLAGS += -DVFS_FILE_BUFFER_SIZE=56 -DVFS_DIR_BUFFER_SIZE=44
+# Reduce LFS_NAME_MAX to 31 (as VFS_NAME_MAX default)
+CFLAGS += -DLFS_NAME_MAX=31