While bottom-of-the- table Airdrie United were beaten by Partick Thistle, the Sons' other relegation rivals all picked up points at the weekend, writes Chris Jack.
Hamilton drew at home with Livingston and Cowdenbeath and Raith Rovers shared the spoils at Central Park.
Goals from Grant Thomas and David Weatherston were enough to clinch the points for Steven Pressley's Bairns as Dumbarton slumped to their third defeat in four Irn-Bru First Division outings.
Next up for Murray's men is a home clash with Raith tomorrow nigh.
The boss said: "It was a poor result and performance. I hope we don't go into a losing spiral.
"We have a game tomorrow so it is vital we get this one out of our system."