diff --git a/gnu/packages/geo.scm b/gnu/packages/geo.scm
index 1b0bbd516f..6819f7490c 100644
--- a/gnu/packages/geo.scm
+++ b/gnu/packages/geo.scm
@@ -944,7 +944,7 @@ OpenGeoSys")
            exprtk
            hdf5
            iphreeqc
-           json-modern-cxx
+           nlohmann-json
            libxml2
            mgis
            netcdf