diff --git a/auth/bearer.go b/auth/bearer.go
index 27773fac4ae2a6059d4c3903d362fd4130a29210..e5aabaf3aa06abca7ee36a8f19c2df40f7982656 100644
--- a/auth/bearer.go
+++ b/auth/bearer.go
@@ -47,7 +47,7 @@
 func DecodeBearerToken(token string) *BearerToken {
 	payload, err := base64.RawStdEncoding.DecodeString(token)
 	if err != nil {
-		log.Printf("Invalid bearer token: invalid base64 %e", err)
+		log.Printf("Invalid bearer token: invalid base64: %v", err)
 		return nil
 	}
 	if len(payload) <= 32 {
@@ -66,7 +66,7 @@
 	var bt BearerToken
 	err = bare.Unmarshal(payload, &bt)
 	if err != nil {
-		log.Printf("Invalid bearer token: BARE unmarshal failed: %e", err)
+		log.Printf("Invalid bearer token: BARE unmarshal failed: %v", err)
 		return nil
 	}
 	if bt.Version != TokenVersion {
diff --git a/auth/middleware.go b/auth/middleware.go
index a82888a67ea48279a40fe8b37e777197180ebba5..e0077941302d53603d04c034c3e5dff2a5fe040e 100644
--- a/auth/middleware.go
+++ b/auth/middleware.go
@@ -519,7 +519,7 @@ 	go func() {
 		defer wg.Done()
 		err = LookupUser(r.Context(), bt.Username, &auth)
 		if err != nil {
-			log.Printf("LookupUser: %e", err)
+			log.Printf("LookupUser: %v", err)
 			atomic.AddInt32(&tempErr, 1)
 		} else {
 			atomic.AddInt32(&res, 1)
@@ -531,7 +531,7 @@ 		defer wg.Done()
 		isRevoked, err := LookupTokenRevocation(r.Context(),
 			bt.Username, hash, bt.ClientID)
 		if err != nil {
-			log.Printf("LookupTokenRevocation: %e", err)
+			log.Printf("LookupTokenRevocation: %v", err)
 			atomic.AddInt32(&tempErr, 1)
 		} else if !isRevoked {
 			atomic.AddInt32(&res, 1)
diff --git a/email/worker.go b/email/worker.go
index 57f35f6781e566d7da55ce612928b9e66cef2f02..1ebe91c04969e1f6dbea4814b09aef09caeacbbf 100644
--- a/email/worker.go
+++ b/email/worker.go
@@ -34,7 +34,7 @@ func NewTask(msg *bytes.Buffer, rcpts []string) *work.Task {
 	return work.NewTask(func(ctx context.Context) error {
 		err := Send(ctx, msg, rcpts)
 		if err != nil {
-			log.Printf("Error sending mail: %e", err)
+			log.Printf("Error sending mail: %v", err)
 		}
 		return err
 	}).Retries(10).After(func(ctx context.Context, task *work.Task) {
diff --git a/server/email.go b/server/email.go
index 584d5cb79d3fcfe278ab759b7b6e268ba9d2178f..1a9c8c226f44ed7a38eda5013e2c3e19a989916d 100644
--- a/server/email.go
+++ b/server/email.go
@@ -20,6 +20,7 @@
 // Provides a graphql.RecoverFunc which will print the stack trace, and if
 // debug mode is not enabled, email it to the administrator.
 func EmailRecover(ctx context.Context, _origErr interface{}) error {
+	log.Println(_origErr)
 	var (
 		ok      bool
 		origErr error
diff --git a/server/server.go b/server/server.go
index 936afcea3d8cd0c861bd29b1b42362ead9c4b187..a8a5f0e80f32c1f010b2f216459e6037849834d2 100644
--- a/server/server.go
+++ b/server/server.go
@@ -154,7 +154,7 @@ 		rcs = "redis://"
 	}
 	ropts, err := goRedis.ParseURL(rcs)
 	if err != nil {
-		log.Fatalf("Invalid sr.ht::redis-host in config.ini: %e", err)
+		log.Fatalf("Invalid sr.ht::redis-host in config.ini: %v", err)
 	}
 	rc := goRedis.NewClient(ropts)
 	server.redis = rc
diff --git a/webhooks/legacy.go b/webhooks/legacy.go
index 436203166f75cbf9e8eefb2cfc0bd3edc60823a8..b74e04be4914211ee88fbe3f8f6d9769d316a0bd 100644
--- a/webhooks/legacy.go
+++ b/webhooks/legacy.go
@@ -205,7 +205,7 @@ 	req, err := http.NewRequestWithContext(rctx,
 		http.MethodPost, url, bytes.NewReader(payload))
 	defer cancel()
 	if err != nil {
-		return fmt.Errorf("http.NewRequestWithContext: %v: %e",
+		return fmt.Errorf("http.NewRequestWithContext: %v: %w",
 			err, work.ErrDoNotReattempt)
 	}
 
@@ -231,7 +231,7 @@
 	reader := io.LimitReader(resp.Body, 65536) // No more than 64 KiB
 	body, err := ioutil.ReadAll(reader)
 	if err != nil {
-		return fmt.Errorf("Error reading response body: %v: %e",
+		return fmt.Errorf("Error reading response body: %v: %w",
 			err, work.ErrDoNotReattempt)
 	}
 
diff --git a/webhooks/queue.go b/webhooks/queue.go
index cd2a99c9c3e0a0f7893c752623ea1ff51775246b..b9c9e9745e13c231bcefd56e37103bb315ad24d0 100644
--- a/webhooks/queue.go
+++ b/webhooks/queue.go
@@ -209,7 +209,7 @@ 	req, err := http.NewRequestWithContext(rctx,
 		http.MethodPost, webhook.Subscription.URL, bytes.NewReader(payload))
 	defer cancel()
 	if err != nil {
-		return fmt.Errorf("http.NewRequestWithContext: %v: %e",
+		return fmt.Errorf("http.NewRequestWithContext: %v: %w",
 			err, work.ErrDoNotReattempt)
 	}
 
@@ -232,7 +232,7 @@
 	reader := io.LimitReader(resp.Body, 262144) // No more than 256 KiB
 	body, err := ioutil.ReadAll(reader)
 	if err != nil {
-		return fmt.Errorf("Error reading response body: %v: %e",
+		return fmt.Errorf("Error reading response body: %v: %w",
 			err, work.ErrDoNotReattempt)
 	}