diff --git a/bpftool.spec b/bpftool.spec
index 372e0cd..b9c34db 100644
--- a/bpftool.spec
+++ b/bpftool.spec
@@ -44,7 +44,7 @@ manipulation of eBPF programs and maps.
 # We need to use vmlinux.h from kernel-devel rather than the one from the running system
 %define kernel_version %(rpm -q --qf "%%{VERSION}-%%{RELEASE}.%%{ARCH}" kernel-devel)
 pushd tools/bpf/bpftool
-%make_build EXTRA_CFLAGS="%{build_cflags}" EXTRA_LDFLAGS="%{build_ldflags}" VMLINUX_H="/usr/src/kernels/%{kernel_version}/vmlinux.h"
+%make_build EXTRA_CFLAGS="%{build_cflags}" EXTRA_CXXFLAGS="%{build_cflags}" EXTRA_LDFLAGS="%{build_ldflags}" VMLINUX_H="/usr/src/kernels/%{kernel_version}/vmlinux.h"
 
 %install
 pushd tools/bpf/bpftool