diff --git a/pkg/littlefs2/Makefile.include b/pkg/littlefs2/Makefile.include
index de108138da..84c63eb4fb 100644
--- a/pkg/littlefs2/Makefile.include
+++ b/pkg/littlefs2/Makefile.include
@@ -1,3 +1,8 @@
 INCLUDES += -I$(PKGDIRBASE)/littlefs2
 
 DIRS += $(RIOTBASE)/pkg/littlefs2/fs
+
+# Set vfs file and dir buffer sizes
+CFLAGS += -DVFS_FILE_BUFFER_SIZE=84 -DVFS_DIR_BUFFER_SIZE=52
+# Reduce LFS_NAME_MAX to 31 (as VFS_NAME_MAX default)
+CFLAGS += -DLFS_NAME_MAX=31