diff --git a/src/cmd.rs b/src/cmd.rs
index aa7876e..e6fb1dc 100644
--- a/src/cmd.rs
+++ b/src/cmd.rs
@@ -49,6 +49,7 @@ pub fn capture_stdout(
 ) -> Result<subprocess::CaptureData, errors::CommandError> {
     let command = exec.to_cmdline_lossy();
     exec.stdout(subprocess::Redirection::Pipe)
+        .stderr(subprocess::NullFile {}) // Redirect stderr to /dev/null
         .capture()
         .map_err(|popen_err| command_error_from_popen_error(command, popen_err))
 }