diff --git a/pyerrors/input/openQCD.py b/pyerrors/input/openQCD.py
index 28e4eac9..7e07c522 100644
--- a/pyerrors/input/openQCD.py
+++ b/pyerrors/input/openQCD.py
@@ -929,7 +929,7 @@ def qtop_projection(qtop, target=0):
 
     proj_qtop = []
     for n in qtop.deltas:
-        proj_qtop.append(np.array([1 if round(qtop.value + q) == target else 0 for q in qtop.deltas[n]]))
+        proj_qtop.append(np.array([1 if round(qtop.r_values[n] + q) == target else 0 for q in qtop.deltas[n]]))
 
     reto = Obs(proj_qtop, qtop.names, idl=[qtop.idl[name] for name in qtop.names])
     reto.is_merged = qtop.is_merged