diff --git a/feed-to-muc.go b/feed-to-muc.go
index e295838..347273f 100644
--- a/feed-to-muc.go
+++ b/feed-to-muc.go
@@ -189,15 +189,15 @@ func pingMUC(client *xmpp.Client, botJid string, muc string, mucNick string) {
 		pingReceived = false
 
 		// Check for result IQ as long as there was no reply yet.
-		for (time.Since(pingSent).Seconds() < 10.0) && (pingReceived == false) {
+		for (time.Since(pingSent).Seconds() < 10.0) && (!pingReceived) {
 			time.Sleep(1 * time.Second)
-			if pingReceived == true {
+			if pingReceived {
 				break
 			}
 
 		}
 		// Quit if no ping reply was received.
-		if pingReceived == false {
+		if !pingReceived {
 			log.Fatal("MUC not available.")
 		}
 	}
@@ -232,7 +232,7 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 			// Check for room mention of the bots nick if the the message type is groupchat.
 			if v.Type == "groupchat" {
 				// Leave if option quiet is set.
-				if quiet == true {
+				if quiet {
 					break
 				}
 				// Get first word of the message and transform it to lower case.
@@ -384,7 +384,7 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 			if v.Type == "get" {
 				// Reply to disco#info requests according to https://xmpp.org/extensions/xep-0030.html.
 				if strings.Contains(string(v.Query),
-					"<query xmlns='http://jabber.org/protocol/disco#info'/>") == true {
+					"<query xmlns='http://jabber.org/protocol/disco#info'/>") {
 					_, err := client.RawInformation(client.JID(), v.From, v.ID,
 						"result", "<query xmlns='http://jabber.org/protocol/disco#info'>"+
 							"<identity category='client' type='bot' name='feedbot'/>"+
@@ -392,7 +392,7 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 					if err != nil {
 						log.Fatal("Error: Failed to reply to disco#info:", err)
 					}
-				} else if strings.Contains(string(v.Query), "<ping xmlns='urn:xmpp:ping'/>") == true {
+				} else if strings.Contains(string(v.Query), "<ping xmlns='urn:xmpp:ping'/>") {
 					// Reply to pings.
 					_, err := client.RawInformation(client.JID(), v.From, v.ID, "result", "")
 					if err != nil {
diff --git a/getarticles.go b/getarticles.go
index d1dba1c..ac1b0c6 100644
--- a/getarticles.go
+++ b/getarticles.go
@@ -13,8 +13,8 @@ import (
 	"strings"
 	"time"
 
-	"github.com/mmcdole/gofeed"
 	"github.com/jaytaylor/html2text"
+	"github.com/mmcdole/gofeed"
 )
 
 // Get new articles for specified feed.
@@ -70,7 +70,10 @@ func getArticles(feedURL string, max int, noExcerpt bool) (string, error) {
 	// Create a hash as identifier for the feed.
 	// The identifier will be used as filename for caching the update time.
 	h := fnv.New32a()
-	h.Write([]byte(feedURL))
+	_, err := h.Write([]byte(feedURL))
+	if err != nil {
+		log.Fatal("Error: Can't create hash for", feedURL+":", err)
+	}
 	if _, err := os.Stat(cachePath); os.IsNotExist(err) {
 		err = os.MkdirAll(cachePath, 0700)
 		if err != nil {
@@ -167,7 +170,7 @@ func getArticles(feedURL string, max int, noExcerpt bool) (string, error) {
 		// Note: Checking for cached timestamp being newer, instead of not older
 		// lead to duplicate messages for the same article. Probably a corner
 		// case when the time is identical.
-		if last.Before(updateTime) == false {
+		if !last.Before(updateTime) {
 			continue
 		}