diff --git a/cmd/dagger/cmd/input/root.go b/cmd/dagger/cmd/input/root.go
index ef1ae3cf..c681db4e 100644
--- a/cmd/dagger/cmd/input/root.go
+++ b/cmd/dagger/cmd/input/root.go
@@ -8,7 +8,10 @@ import (
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
+	"go.dagger.io/dagger/client"
 	"go.dagger.io/dagger/cmd/dagger/cmd/common"
+	"go.dagger.io/dagger/environment"
+	"go.dagger.io/dagger/solver"
 	"go.dagger.io/dagger/state"
 )
 
@@ -32,13 +35,26 @@ func init() {
 	)
 }
 
-func updateEnvironmentInput(ctx context.Context, target string, input state.Input) {
+func updateEnvironmentInput(ctx context.Context, cl *client.Client, target string, input state.Input) {
 	lg := log.Ctx(ctx)
 
 	workspace := common.CurrentWorkspace(ctx)
 	st := common.CurrentEnvironmentState(ctx, workspace)
+
 	st.SetInput(target, input)
 
+	_, err := cl.Do(ctx, st, func(ctx context.Context, env *environment.Environment, s solver.Solver) error {
+		_, err := env.ScanInputs(ctx, true)
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+
+	if err != nil {
+		lg.Fatal().Err(err).Str("environment", st.Name).Msg("invalid input")
+	}
+
 	if err := workspace.Save(ctx, st); err != nil {
 		lg.Fatal().Err(err).Str("environment", st.Name).Msg("cannot update environment")
 	}