diff --git a/srcpkgs/jsonnet/template b/srcpkgs/jsonnet/template
index c168680bdb6..b09df3187a0 100644
--- a/srcpkgs/jsonnet/template
+++ b/srcpkgs/jsonnet/template
@@ -10,7 +10,7 @@ homepage="https://github.com/google/jsonnet"
 distfiles="https://github.com/google/jsonnet/archive/v${version}.tar.gz"
 checksum=076b52edf888c01097010ad4299e3b2e7a72b60a41abbc65af364af1ed3c8dbe
 
-CXXFLAGS="-fPIC"
+CXXFLAGS="-fPIC -Iinclude -Ithird_party/json -Ithird_party/md5"
 
 jsonnet-devel_package() {
 	depends="${sourcepkg}-${version}_${revision}"