diff --git a/src/execute.rs b/src/execute.rs
index c1dcab7..c4107c7 100644
--- a/src/execute.rs
+++ b/src/execute.rs
@@ -14,24 +14,28 @@ use std::process::Output;
 use self::ansi_term::Colour::{Red, Green, Yellow, Black};
 use self::ansi_term::ANSIString;
 
-fn task_success(task: Task, output: Output) {
-    let stdout = ANSIString::from(String::from_utf8(output.stdout).unwrap());
-    println!(
-        "{} {}\n{}\n",
-        Black.bold().on(Green).paint("  SUCCESS  "),
-        Yellow.paint(format!("{}", task.name)),
-        stdout
-    );
+fn task_success(task: Task, output: Output, json: bool) {
+    if json == false {
+        let stdout = ANSIString::from(String::from_utf8(output.stdout).unwrap());
+        println!(
+            "{} {}\n{}\n",
+            Black.bold().on(Green).paint("  SUCCESS  "),
+            Yellow.paint(format!("{}", task.name)),
+            stdout
+        );
+    }
 }
 
-fn task_failure(task: Task, output: Output) {
-    let stderr = ANSIString::from(String::from_utf8(output.stderr).unwrap());
-    println!(
-        "{} {}\n{}\n",
-        Black.bold().on(Red).paint("  FAIL  "),
-        Yellow.paint(format!("{}", task.name)),
-        stderr
-    );
+fn task_failure(task: Task, output: Output, json: bool) {
+    if json == false {
+        let stderr = ANSIString::from(String::from_utf8(output.stderr).unwrap());
+        println!(
+            "{} {}\n{}\n",
+            Black.bold().on(Red).paint("  FAIL  "),
+            Yellow.paint(format!("{}", task.name)),
+            stderr
+        );
+    }
 }
 
 pub fn run(tasks: Vec<Task>, cwd_path: String, json_output: bool) -> bool {
@@ -60,15 +64,18 @@ pub fn run(tasks: Vec<Task>, cwd_path: String, json_output: bool) -> bool {
                 command: task_data.command,
             });
             match command_output.status.code() {
-                Some(0) => task_success(data, command_output),
-                Some(_) => task_failure(data, command_output),
+                Some(0) => task_success(data, command_output, json_output),
+                Some(_) => task_failure(data, command_output, json_output),
                 None => println!("Process terminated by signal")
             }
         });
         handles.push(child);
     }
     for handle in handles { handle.join().unwrap(); }
-    let serializable_output = SerializableOutput { tasks: *outputs.unwrap() };
-    println!("{}", serde_json::to_string(&serializable_output));
+    if json_output == true {
+        let slice = &*outputs.lock().unwrap();
+        let serializable_output = SerializableOutput { tasks: slice.to_vec() };
+        println!("{}", serde_json::to_string(&serializable_output).unwrap());
+    }
     true
 }
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