diff --git a/config/model_configs/gpu_slabplanet_albedo_function.yml b/config/model_configs/gpu_slabplanet_albedo_function.yml
index cf951d53c3..af04a731d9 100644
--- a/config/model_configs/gpu_slabplanet_albedo_function.yml
+++ b/config/model_configs/gpu_slabplanet_albedo_function.yml
@@ -16,3 +16,4 @@ precip_model: "0M"
 run_name: "gpu_slabplanet_albedo_function"
 t_end: "2000secs"
 vert_diff: "true"
+FLOAT_TYPE: "Float32"
diff --git a/config/model_configs/slabplanet_albedo_function.yml b/config/model_configs/slabplanet_albedo_function.yml
index a8a46a2704..8ab71e73f0 100644
--- a/config/model_configs/slabplanet_albedo_function.yml
+++ b/config/model_configs/slabplanet_albedo_function.yml
@@ -15,3 +15,4 @@ precip_model: "0M"
 run_name: "slabplanet_albedo_function"
 t_end: "2000secs"
 vert_diff: "true"
+FLOAT_TYPE: "Float32"