1 files changed, 2 insertions, 0 deletions
diff --git a/controller/src/lib.rs b/controller/src/lib.rs
index e5d19ca..c74ff3f 100644
--- a/controller/src/lib.rs
+++ b/controller/src/lib.rs
@@ -507,6 +507,7 @@ impl ComputePool {
 
         // Send the job to the IO thread, which will send it to a round-robin worker
         self.runtime.block_on(self.outbound.send(Outbound::NewJob(jobid, input))).iores()?;
+        self.num_running += 1;
         Ok(())
     }
 
@@ -519,6 +520,7 @@ impl ComputePool {
         if self.num_running > 0 {
             match self.runtime.block_on(self.inbound.recv()) {
                 Some(Inbound::Completion(event)) => {
+                    self.num_running -= 1;
                     Ok(Some(event))
                 },
                 None => Err("IO thread unexpectedly quit".ioerr()),