diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index a5972d17..6373446c 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -1570,7 +1570,7 @@ def get_existing_job(w):
 def workout_trimp(w, reset=False):
     r = w.user
 
-    if w.trimp > 0 and not reset:
+    if w.trimp > -1 and not reset:
         return w.trimp, w.hrtss
 
     if get_existing_job(w):
@@ -1615,7 +1615,7 @@ def workout_trimp(w, reset=False):
 
 
 def workout_rscore(w, reset=False):
-    if w.rscore > 0 and not reset:
+    if w.rscore > -1 and not reset:
         return w.rscore, w.normp
 
     if get_existing_job(w):
@@ -1646,7 +1646,7 @@ def workout_rscore(w, reset=False):
 
 
 def workout_normv(w, pp=4.0):
-    if w.normv > 0:  # pragma: no cover
+    if w.normv > -1:  # pragma: no cover
         return w.normv, w.normw
 
     if get_existing_job(w):