diff --git a/mage.go b/mage.go
index 164444f..1cb2fcd 100644
--- a/mage.go
+++ b/mage.go
@@ -82,16 +82,32 @@ func BuildEmoji() error {
 	return nil
 }
 
+// proper error reporting and exit code
+func exit(err error) {
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "%+v\n", err)
+		os.Exit(1)
+	}
+}
+
 // Build kbtui with just the basic commands.
 func Build() {
-	sh.Run("go", "build")
+	if err := sh.Run("go", "build"); err != nil {
+		defer func() {
+			exit(err)
+		}()
+	}
 }
 
 // Build kbtui with the basic commands, and the ShowReactions "TypeCommand".
 // The ShowReactions TypeCommand will print a message in the feed window when
 // a reaction is received in the current conversation.
 func BuildShowReactions() {
-	sh.Run("go", "build", "-tags", "showreactionscmd")
+	if err := sh.Run("go", "build", "-tags", "showreactionscmd"); err != nil {
+		defer func() {
+			exit(err)
+		}()
+	}
 }
 
 // Build kbtui with the basec commands, and the AutoReact "TypeCommand".
@@ -99,21 +115,37 @@ func BuildShowReactions() {
 // received in the current conversation. This gets pretty annoying, and
 // is not recommended.
 func BuildAutoReact() {
-	sh.Run("go", "build", "-tags", "autoreactcmd")
+	if err := sh.Run("go", "build", "-tags", "autoreactcmd"); err != nil {
+		defer func() {
+			exit(err)
+		}()
+	}
 }
 
 // Build kbtui with all commands and TypeCommands disabled.
 func BuildAllCommands() {
-	sh.Run("go", "build", "-tags", "allcommands")
+	if err := sh.Run("go", "build", "-tags", "allcommands"); err != nil {
+		defer func() {
+			exit(err)
+		}()
+	}
 }
 
 // Build kbtui with all Commands and TypeCommands enabled.
 func BuildAllCommandsT() {
-	sh.Run("go", "build", "-tags", "type_commands,allcommands")
+	if err := sh.Run("go", "build", "-tags", "type_commands,allcommands"); err != nil {
+		defer func() {
+			exit(err)
+		}()
+	}
 }
 
 // Build kbtui with beta functionality
 func BuildBeta() {
 	mg.Deps(BuildEmoji)
-	sh.Run("go", "build", "-tags", "allcommands,showreactionscmd,emojiList")
+	if err := sh.Run("go", "build", "-tags", "allcommands,showreactionscmd,emojiList,tabcompletion"); err != nil {
+		defer func() {
+			exit(err)
+		}()
+	}
 }