diff --git a/include/openmc/capi.h b/include/openmc/capi.h
index e04d4898e7..29e9009655 100644
--- a/include/openmc/capi.h
+++ b/include/openmc/capi.h
@@ -118,7 +118,7 @@ int openmc_regular_mesh_get_params(
 int openmc_regular_mesh_set_dimension(int32_t index, int n, const int* dims);
 int openmc_regular_mesh_set_params(int32_t index, int n, const double* ll,
   const double* ur, const double* width);
-int openmc_remove_tally(int32_t id);
+int openmc_remove_tally(int32_t index);
 int openmc_reset();
 int openmc_reset_timers();
 int openmc_run();
diff --git a/openmc/lib/tally.py b/openmc/lib/tally.py
index c1c8ab0941..0be2f9ed50 100644
--- a/openmc/lib/tally.py
+++ b/openmc/lib/tally.py
@@ -402,7 +402,7 @@ class _TallyMapping(Mapping):
     def __repr__(self):
         return repr(dict(self))
 
-    def __delitem__(self,key):
+    def __delitem__(self, key):
         """Delete a tally from tally vector and remove the ID,index pair from tally"""
         _dll.openmc_remove_tally(self._get_tally_index(key))