diff --git a/pyerrors/input/openQCD.py b/pyerrors/input/openQCD.py
index 81b9eec3..91ab6cf7 100644
--- a/pyerrors/input/openQCD.py
+++ b/pyerrors/input/openQCD.py
@@ -195,7 +195,7 @@ def read_rwms(path, prefix, version='2.0', names=None, **kwargs):
                 r_stop_index.append(len(configlist[-1]) - 1)
             else:
                 try:
-                    r_stop_index.append(configlist[-1].index(r_stop[rep]))
+                    r_stop_index.append(configlist[-1].index(r_stop[rep]) + 1)
                 except ValueError:
                     raise Exception('Config %d not in file with range [%d, %d]' % (
                         r_stop[rep], configlist[-1][0], configlist[-1][-1])) from None
@@ -393,7 +393,7 @@ def extract_t0(path, prefix, dtr_read, xmin, spatial_extent, fit_range=5, **kwar
             r_stop_index.append(len(configlist[-1]) - 1)
         else:
             try:
-                r_stop_index.append(configlist[-1].index(r_stop[rep]))
+                r_stop_index.append(configlist[-1].index(r_stop[rep]) + 1)
             except ValueError:
                 raise Exception('Config %d not in file with range [%d, %d]' % (
                     r_stop[rep], configlist[-1][0], configlist[-1][-1])) from None
@@ -716,7 +716,7 @@ def read_qtop(path, prefix, c, dtr_cnfg=1, version="openQCD", **kwargs):
             r_stop_index.append(len(configlist[-1]) - 1)
         else:
             try:
-                r_stop_index.append(configlist[-1].index(r_stop[rep]))
+                r_stop_index.append(configlist[-1].index(r_stop[rep]) + 1)
             except ValueError:
                 raise Exception('Config %d not in file with range [%d, %d]' % (
                     r_stop[rep], configlist[-1][0], configlist[-1][-1])) from None