diff --git a/hostapd/config_file.c b/hostapd/config_file.c
index 21104d3..62136ca 100644
--- a/hostapd/config_file.c
+++ b/hostapd/config_file.c
@@ -2893,6 +2893,7 @@
 		PARSE_TEST_PROBABILITY(ignore_auth_probability)
 		PARSE_TEST_PROBABILITY(ignore_assoc_probability)
 		PARSE_TEST_PROBABILITY(ignore_reassoc_probability)
+		PARSE_TEST_PROBABILITY(corrupt_gtk_rekey_mic_probability)
 #endif /* CONFIG_TESTING_OPTIONS */
 		} else if (os_strcmp(buf, "vendor_elements") == 0) {
 			struct wpabuf *elems;
diff --git a/hostapd/hostapd.conf b/hostapd/hostapd.conf
index 6a1c500..86015bf 100644
--- a/hostapd/hostapd.conf
+++ b/hostapd/hostapd.conf
@@ -1540,6 +1540,9 @@
 #
 # Ignore reassociation requests with the given probability
 #ignore_reassoc_probability=0.0
+#
+# Corrupt Key MIC in GTK rekey EAPOL-Key frames with the given probability
+#corrupt_gtk_rekey_mic_probability=0.0
 
 ##### Multiple BSSID support ##################################################
 #