diff --git a/src/main/java/gov/usgs/earthquake/nshmp/www/gmm/ServiceUtil.java b/src/main/java/gov/usgs/earthquake/nshmp/www/gmm/ServiceUtil.java
index 6d8fa54fd44b9432a1ad590ad163dc1072b566af..0631cdd58e3d6ba6f71c4c2fe696ea56be7fa338 100644
--- a/src/main/java/gov/usgs/earthquake/nshmp/www/gmm/ServiceUtil.java
+++ b/src/main/java/gov/usgs/earthquake/nshmp/www/gmm/ServiceUtil.java
@@ -14,7 +14,7 @@ import static gov.usgs.earthquake.nshmp.gmm.GmmInput.Field.ZHYP;
 import static gov.usgs.earthquake.nshmp.gmm.GmmInput.Field.ZSED;
 import static gov.usgs.earthquake.nshmp.gmm.GmmInput.Field.ZTOR;
 import static gov.usgs.earthquake.nshmp.gmm.Imt.AI;
-import static gov.usgs.earthquake.nshmp.gmm.Imt.PGV;
+import static gov.usgs.earthquake.nshmp.gmm.Imt.PGD;
 import static io.micronaut.core.type.Argument.DOUBLE;
 import static java.util.stream.Collectors.toCollection;
 
@@ -199,7 +199,7 @@ class ServiceUtil {
         JsonObject root = new JsonObject();
 
         if (!meta.service.equals(Id.SPECTRA)) {
-          Set<Imt> imtSet = EnumSet.complementOf(EnumSet.range(PGV, AI));
+          Set<Imt> imtSet = EnumSet.complementOf(EnumSet.range(PGD, AI));
           final EnumParameter<Imt> imts = new EnumParameter<>(
               "Intensity measure type",
               imtSet);