diff --git a/agent-start b/agent-start
index 5f919b6..712d72a 100644
--- a/agent-start
+++ b/agent-start
@@ -2,7 +2,7 @@
 
 # Start the SSH agent if it isn't already.
 if [ -z "$SSH_AGENT_PID" ]; then
-	eval $(ssh-agent) > /dev/null
+	eval "$(ssh-agent)" > /dev/null
 	echo "$SSH_AGENT_PID" > /tmp/ssh-agent-id
 	echo "Started SSH Agent. PID: $SSH_AGENT_PID"
 else