diff --git a/psutil/arch/bsd/proc.c b/psutil/arch/bsd/proc.c
index 1644957ea..959b28ee0 100644
--- a/psutil/arch/bsd/proc.c
+++ b/psutil/arch/bsd/proc.c
@@ -449,6 +449,7 @@ psutil_proc_open_files(PyObject *self, PyObject *args) {
             psutil_debug(
                 "open_files() returned ESRCH for PID 0; forcing `return []`"
             );
+            PyErr_Clear();
             return py_retlist;
         }
 #else
diff --git a/psutil/arch/openbsd/proc.c b/psutil/arch/openbsd/proc.c
index 9b4593c3e..bf4015be4 100644
--- a/psutil/arch/openbsd/proc.c
+++ b/psutil/arch/openbsd/proc.c
@@ -288,12 +288,14 @@ psutil_proc_num_fds(PyObject *self, PyObject *args) {
         return NULL;
 
     freep = kinfo_getfile(pid, &cnt);
+
     if (freep == NULL) {
 #if defined(PSUTIL_OPENBSD)
         if ((pid == 0) && (errno == ESRCH)) {
             psutil_debug(
                 "num_fds() returned ESRCH for PID 0; forcing `return 0`"
             );
+            PyErr_Clear();
             return Py_BuildValue("i", 0);
         }
 #endif