diff --git a/components/wpa_supplicant/src/wpa2/eap_peer/eap.c b/components/wpa_supplicant/src/wpa2/eap_peer/eap.c
index 865da65470..10fc2257bd 100644
--- a/components/wpa_supplicant/src/wpa2/eap_peer/eap.c
+++ b/components/wpa_supplicant/src/wpa2/eap_peer/eap.c
@@ -407,7 +407,7 @@ int eap_peer_blob_init(struct eap_sm *sm)
 			ret = -2;
 			goto _out;
 		}
-		os_strncpy(sm->blob[0].name, CLIENT_CERT_NAME, BLOB_NAME_LEN);
+		os_strncpy(sm->blob[0].name, CLIENT_CERT_NAME, BLOB_NAME_LEN+1);
 		sm->blob[0].len = g_wpa_client_cert_len;
 		sm->blob[0].data = g_wpa_client_cert;
 	}
@@ -418,7 +418,7 @@ int eap_peer_blob_init(struct eap_sm *sm)
 			ret = -2;
 			goto _out;
 		}
-		os_strncpy(sm->blob[1].name, PRIVATE_KEY_NAME, BLOB_NAME_LEN);
+		os_strncpy(sm->blob[1].name, PRIVATE_KEY_NAME, BLOB_NAME_LEN+1);
 		sm->blob[1].len = g_wpa_private_key_len;
 		sm->blob[1].data = g_wpa_private_key;
 	}
@@ -429,7 +429,7 @@ int eap_peer_blob_init(struct eap_sm *sm)
 			ret = -2;
 			goto _out;
 		}
-		os_strncpy(sm->blob[2].name, CA_CERT_NAME, BLOB_NAME_LEN);
+		os_strncpy(sm->blob[2].name, CA_CERT_NAME, BLOB_NAME_LEN+1);
 		sm->blob[2].len = g_wpa_ca_cert_len;
 		sm->blob[2].data = g_wpa_ca_cert;
 	}