diff --git a/recipes/incoming-clib/gperf.toml b/recipes/incoming-clib/gperf.toml
index 58c7f31b..8f3809a6 100644
--- a/recipes/incoming-clib/gperf.toml
+++ b/recipes/incoming-clib/gperf.toml
@@ -9,6 +9,6 @@ compiler = "zig-cc"
 target   = "x86_64-linux-musl"
 link     = "static"
 [build.phases]
-configure = "./configure --prefix=/usr"
+configure = "CXXFLAGS=\"$CXXFLAGS -std=c++14\" ./configure --prefix=/usr"
 compile   = "make"
 install   = "make install DESTDIR=/out"