diff --git a/grpc.go b/grpc.go
index b1fd925..4caee03 100644
--- a/grpc.go
+++ b/grpc.go
@@ -103,7 +103,7 @@ func (g *grpcClient) call(ctx context.Context, addr string, req client.Request,
 
 	cf, err := g.newCodec(req.ContentType())
 	if err != nil {
-		return errors.InternalServerError("go.micro.client", err.Error())
+		return errors.InternalServerError("go.micro.client", "%+v", err)
 	}
 
 	maxRecvMsgSize := g.maxRecvMsgSizeValue()
@@ -147,7 +147,7 @@ func (g *grpcClient) call(ctx context.Context, addr string, req client.Request,
 
 	cc, err := g.pool.Get(dialCtx, addr, grpcDialOptions...)
 	if err != nil {
-		return errors.InternalServerError("go.micro.client", fmt.Sprintf("Error sending request: %v", err))
+		return errors.InternalServerError("go.micro.client", "Error sending request: %v", err)
 	}
 	defer func() {
 		// defer execution of release
@@ -217,7 +217,7 @@ func (g *grpcClient) stream(ctx context.Context, addr string, req client.Request
 
 	cf, err := g.newCodec(req.ContentType())
 	if err != nil {
-		return errors.InternalServerError("go.micro.client", err.Error())
+		return errors.InternalServerError("go.micro.client", "%+v", err)
 	}
 
 	var dialCtx context.Context
@@ -258,7 +258,7 @@ func (g *grpcClient) stream(ctx context.Context, addr string, req client.Request
 
 	cc, err := g.pool.Get(dialCtx, addr, grpcDialOptions...)
 	if err != nil {
-		return errors.InternalServerError("go.micro.client", fmt.Sprintf("Error sending request: %v", err))
+		return errors.InternalServerError("go.micro.client", "Error sending request: %v", err)
 	}
 
 	desc := &grpc.StreamDesc{
@@ -291,7 +291,7 @@ func (g *grpcClient) stream(ctx context.Context, addr string, req client.Request
 		// release the connection
 		g.pool.Put(cc, err)
 		// now return the error
-		return errors.InternalServerError("go.micro.client", fmt.Sprintf("Error creating stream: %v", err))
+		return errors.InternalServerError("go.micro.client", "Error creating stream: %v", err)
 	}
 
 	// set request codec
@@ -421,7 +421,7 @@ func (g *grpcClient) Init(opts ...client.Option) error {
 	g.funcPublish = g.fnPublish
 	g.funcBatchPublish = g.fnBatchPublish
 
-	g.opts.Hooks.EachNext(func(hook options.Hook) {
+	g.opts.Hooks.EachPrev(func(hook options.Hook) {
 		switch h := hook.(type) {
 		case client.HookCall:
 			g.funcCall = h(g.funcCall)
@@ -533,7 +533,7 @@ func (g *grpcClient) fnCall(ctx context.Context, req client.Request, rsp interfa
 		// call backoff first. Someone may want an initial start delay
 		t, err := callOpts.Backoff(ctx, req, i)
 		if err != nil {
-			return errors.InternalServerError("go.micro.client", err.Error())
+			return errors.InternalServerError("go.micro.client", "%+v", err)
 		}
 
 		// only sleep if greater than 0
@@ -548,7 +548,7 @@ func (g *grpcClient) fnCall(ctx context.Context, req client.Request, rsp interfa
 			// TODO apply any filtering here
 			routes, err = g.opts.Lookup(ctx, req, callOpts)
 			if err != nil {
-				return errors.InternalServerError("go.micro.client", err.Error())
+				return errors.InternalServerError("go.micro.client", "%+v", err)
 			}
 
 			// balance the list of nodes
@@ -675,7 +675,7 @@ func (g *grpcClient) fnStream(ctx context.Context, req client.Request, opts ...c
 		// call backoff first. Someone may want an initial start delay
 		t, err := callOpts.Backoff(ctx, req, i)
 		if err != nil {
-			return nil, errors.InternalServerError("go.micro.client", err.Error())
+			return nil, errors.InternalServerError("go.micro.client", "%+v", err)
 		}
 
 		// only sleep if greater than 0
@@ -690,7 +690,7 @@ func (g *grpcClient) fnStream(ctx context.Context, req client.Request, opts ...c
 			// TODO apply any filtering here
 			routes, err = g.opts.Lookup(ctx, req, callOpts)
 			if err != nil {
-				return nil, errors.InternalServerError("go.micro.client", err.Error())
+				return nil, errors.InternalServerError("go.micro.client", "%+v", err)
 			}
 
 			// balance the list of nodes
@@ -822,12 +822,12 @@ func (g *grpcClient) publish(ctx context.Context, ps []client.Message, opts ...c
 			// use codec for payload
 			cf, err := g.newCodec(p.ContentType())
 			if err != nil {
-				return errors.InternalServerError("go.micro.client", err.Error())
+				return errors.InternalServerError("go.micro.client", "%+v", err)
 			}
 			// set the body
 			b, err := cf.Marshal(p.Payload())
 			if err != nil {
-				return errors.InternalServerError("go.micro.client", err.Error())
+				return errors.InternalServerError("go.micro.client", "%+v", err)
 			}
 			body = b
 		}