diff --git a/admin/btop/Makefile b/admin/btop/Makefile
index 8b8888b508f27c..b3a92d17ce0035 100644
--- a/admin/btop/Makefile
+++ b/admin/btop/Makefile
@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=btop
 PKG_VERSION:=1.2.13
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL=https://codeload.github.com/aristocratos/btop/tar.gz/v$(PKG_VERSION)?
@@ -37,6 +37,10 @@ MAKE_FLAGS+= \
 	OPTFLAGS="$(TARGET_CXXFLAGS)" \
 	LDCXXFLAGS="$(TARGET_LDFLAGS) -pthread"
 
+ifneq ($(CONFIG_USE_MUSL),)
+  TARGET_CFLAGS += -D_LARGEFILE64_SOURCE
+endif
+
 define Package/btop/install
 	$(INSTALL_DIR) $(1)/usr/bin
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/local/bin/btop $(1)/usr/bin/