Control circuit for a pneumatically controlled vehicle door comprising a double-acting pneumatic cylinder (9) operable to open and close said door and having a first chamber (10) and a second chamber (11), a main pneumatic control block (5) having a first working port (7) and a second working port (8), a fist line (12) connected to the first chamber (10) of the cylinder (9) and constituting a release line in a given movement direction of the cylinder (9) corresponding to a first movement direction of the door, and a second line (13) connected to the second chamber (11) of the cylinder (9) and constituting a filling line in said movement direction; circuit (1) comprises a safety device (42) configured to connect the first line (12) to the first working port (7) in normal operation and to connect the first line (12) to the second line (13) in response to a control signal identifying that the door is blocked by an obstacle in said first direction of movement of the door.