diff --git a/plugins/sudoers/stubs.c b/plugins/sudoers/stubs.c
index fb1e975af..fcb0889d8 100644
--- a/plugins/sudoers/stubs.c
+++ b/plugins/sudoers/stubs.c
@@ -84,7 +84,8 @@ get_interfaces(void)
 int
 set_cmnd_path(const char *runchroot)
 {
-    return FOUND;
+    /* Cannot return FOUND without also setting user_cmnd to a new value. */
+    return NOT_FOUND;
 }
 
 /* STUB */
diff --git a/plugins/sudoers/testsudoers.c b/plugins/sudoers/testsudoers.c
index ebe489e57..a5342edb8 100644
--- a/plugins/sudoers/testsudoers.c
+++ b/plugins/sudoers/testsudoers.c
@@ -502,7 +502,8 @@ init_eventlog_config(void)
 int
 set_cmnd_path(const char *runchroot)
 {
-    return FOUND;
+    /* Cannot return FOUND without also setting user_cmnd to a new value. */
+    return NOT_FOUND;
 }
 
 static bool