diff --git a/src/bmi_cfe.c b/src/bmi_cfe.c
index b3a800b..c7b80e5 100644
--- a/src/bmi_cfe.c
+++ b/src/bmi_cfe.c
@@ -259,7 +259,7 @@ static const char *output_var_units[OUTPUT_VAR_NAME_COUNT] = {
       	"m",
 	    "m",
 	    "m",
-	    "none",
+	    "1",
 	    "m"
 };
 
@@ -319,7 +319,7 @@ static const char *input_var_types[INPUT_VAR_NAME_COUNT] = {
 static const char *input_var_units[INPUT_VAR_NAME_COUNT] = {
         "mm h-1", //"atmosphere_water__liquid_equivalent_precipitation_rate"
         "m s-1",   //"water_potential_evaporation_flux"
-	"m",    // ice fraction in meters
+	"1",    // ice fraction should be dimensionless
 	"1",     // ice fraction [-]
 	"1" // soil moisture profile is in decimal fraction -rlm
 };