diff --git a/modules/schema/src/main/resources/lucuma/odb/graphql/OdbSchema.graphql b/modules/schema/src/main/resources/lucuma/odb/graphql/OdbSchema.graphql
index a7fffd45c..34e53baf4 100644
--- a/modules/schema/src/main/resources/lucuma/odb/graphql/OdbSchema.graphql
+++ b/modules/schema/src/main/resources/lucuma/odb/graphql/OdbSchema.graphql
@@ -9830,11 +9830,6 @@ type ObservingMode {
 }
 
 type ObservingModeGroup {
-  """
-  IDs of observations that use the same constraints
-  """
-  observationIds: [ObservationId!]!
-
   """
   Observations associated with the common value
   """
@@ -9859,6 +9854,11 @@ type ObservingModeGroup {
   Commonly held value across the observations
   """
   observingMode: ObservingMode
+
+  """
+  Link back to program.
+  """
+  program: Program!
 }
 
 """
diff --git a/modules/service/src/main/scala/lucuma/odb/graphql/mapping/ObservingModeGroupMapping.scala b/modules/service/src/main/scala/lucuma/odb/graphql/mapping/ObservingModeGroupMapping.scala
index 00096ed00..6b39d7d1b 100644
--- a/modules/service/src/main/scala/lucuma/odb/graphql/mapping/ObservingModeGroupMapping.scala
+++ b/modules/service/src/main/scala/lucuma/odb/graphql/mapping/ObservingModeGroupMapping.scala
@@ -7,8 +7,8 @@ package mapping
 import cats.syntax.option.*
 import cats.syntax.parallel.*
 import grackle.Predicate
-import grackle.Predicate.and
 import grackle.Predicate.True
+import grackle.Predicate.and
 import grackle.Query.*
 import grackle.QueryCompiler.Elab
 import grackle.TypeRef