diff --git a/Makefile.am b/Makefile.am
index 7688695ee..c19acb273 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1225,6 +1225,7 @@ src_libsystemd_nm_la_cppflags = \
 	-I$(srcdir)/src/systemd/src/shared \
 	-I$(srcdir)/src/systemd/src/libsystemd-network \
 	-DNETWORKMANAGER_COMPILATION=NM_NETWORKMANAGER_COMPILATION_SYSTEMD \
+	$(LIBSYSTEMD_NM_CFLAGS) \
 	$(GLIB_CFLAGS) \
 	$(CODE_COVERAGE_CFLAGS)
 
diff --git a/configure.ac b/configure.ac
index 3fd4090a7..7c6e62007 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1097,6 +1097,9 @@ fi
 
 NM_COMPILER_WARNINGS(CFLAGS, ${more_warnings_default})
 
+NM_COMPILER_FLAG(LIBSYSTEMD_NM_CFLAGS, "-Wno-gnu-variable-sized-type-not-at-end")
+AC_SUBST(LIBSYSTEMD_NM_CFLAGS)
+
 CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
 	-fno-strict-aliasing \
 ])