diff --git a/mattspy/condor_yield.py b/mattspy/condor_yield.py
index 6d06611..28f5a98 100644
--- a/mattspy/condor_yield.py
+++ b/mattspy/condor_yield.py
@@ -420,7 +420,8 @@ def _attempt_result(self, cjob, status_code):
             condorfile = os.path.join(self.execdir, subid, "condor.sub")
             logfile = os.path.join(self.execdir, subid, "log.oe")
 
-            del ALL_CONDOR_JOBS[cjob]
+            if cjob in ALL_CONDOR_JOBS:
+                del ALL_CONDOR_JOBS[cjob]
             if not self.debug:
                 subprocess.run(
                     "condor_rm %s; condor_rm -forcex %s" % (cjob, cjob),
diff --git a/mattspy/lsf_yield.py b/mattspy/lsf_yield.py
index 657a10d..3ce4189 100644
--- a/mattspy/lsf_yield.py
+++ b/mattspy/lsf_yield.py
@@ -350,7 +350,8 @@ def _attempt_result(self, cjob, status_code):
             jobfile = os.path.join(self.execdir, subid, "run.sh")
             logfile = os.path.join(self.execdir, subid, "log.oe")
 
-            del ALL_LSF_JOBS[cjob]
+            if cjob in ALL_LSF_JOBS:
+                del ALL_LSF_JOBS[cjob]
             if not self.debug:
                 subprocess.run(
                     "bkill -s 9 %s" % cjob,