diff --git a/src/libpts/plugins/imv_attestation/attest_db.c b/src/libpts/plugins/imv_attestation/attest_db.c
index 9d49a2742..b2116c0ff 100644
--- a/src/libpts/plugins/imv_attestation/attest_db.c
+++ b/src/libpts/plugins/imv_attestation/attest_db.c
@@ -975,8 +975,8 @@ METHOD(attest_db_t, list_packages, void,
 	enumerator_t *e;
 	char *package, *version;
 	os_package_state_t security;
-	int gid, gid_old = 0, spaces, count = 0;
-	time_t t;
+	int gid, gid_old = 0, spaces, count = 0, t;
+	time_t timestamp;
 
 	if (this->pid)
 	{
@@ -1002,7 +1002,8 @@ METHOD(attest_db_t, list_packages, void,
 						printf(" ");
 					}
 				}
-				printf(" %T (%s)%N\n", &t, this->utc, version,
+				timestamp = t;
+				printf(" %T (%s)%N\n", &timestamp, this->utc, version,
 					 os_package_state_names, security);
 				count++;
 			}