diff --git a/package/libselinux/libselinux.mk b/package/libselinux/libselinux.mk
index b53146e30b..258065b79d 100644
--- a/package/libselinux/libselinux.mk
+++ b/package/libselinux/libselinux.mk
@@ -45,12 +45,13 @@ define LIBSELINUX_BUILD_PYTHON_BINDINGS
 endef
 endif # python3
 
-# Filter out D_FILE_OFFSET_BITS=64. This fixes errors caused by glibc
-# 2.22. We set CFLAGS and LDFLAGS here because we want to win over the
-# CFLAGS/LDFLAGS definitions passed by $(PKG_PYTHON_DISTUTILS_ENV)
+# Filter out D_FILE_OFFSET_BITS=64. This fixes errors caused by glibc 2.22. We
+# set CFLAGS, CPPFLAGS and LDFLAGS here because we want to win over the
+# CFLAGS/CPPFLAGS/LDFLAGS definitions passed by $(PKG_PYTHON_DISTUTILS_ENV)
 # when the python binding is enabled.
 LIBSELINUX_MAKE_OPTS += \
 	CFLAGS="$(filter-out -D_FILE_OFFSET_BITS=64,$(TARGET_CFLAGS))" \
+	CPPFLAGS="$(filter-out -D_FILE_OFFSET_BITS=64,$(TARGET_CPPFLAGS))" \
 	LDFLAGS="$(TARGET_LDFLAGS) -lpcre -lpthread"
 
 define LIBSELINUX_BUILD_CMDS