diff -up rsyslog-8.2310.0/plugins/imjournal/imjournal.c.orig rsyslog-8.2310.0/plugins/imjournal/imjournal.c
--- rsyslog-8.2310.0/plugins/imjournal/imjournal.c.orig	2023-10-10 16:42:39.771369418 +0200
+++ rsyslog-8.2310.0/plugins/imjournal/imjournal.c	2023-10-10 16:51:39.839133580 +0200
@@ -87,6 +87,7 @@ static struct configSettings_s {
 	int bWorkAroundJournalBug; /* deprecated, left for backwards compatibility only */
 	int bFsync;
 	int bRemote;
+	char *dfltTag;
 } cs;
 
 static rsRetVal facilityHdlr(uchar **pp, void *pVal);
@@ -106,7 +107,8 @@ static struct cnfparamdescr modpdescr[]
 	{ "usepid", eCmdHdlrString, 0 },
 	{ "workaroundjournalbug", eCmdHdlrBinary, 0 },
 	{ "fsync", eCmdHdlrBinary, 0 },
-	{ "remote", eCmdHdlrBinary, 0 }
+	{ "remote", eCmdHdlrBinary, 0 },
+	{ "defaulttag", eCmdHdlrGetWord, 0 }
 };
 static struct cnfparamblk modpblk =
 	{ CNFPARAMBLK_VERSION,
@@ -117,6 +119,7 @@ static struct cnfparamblk modpblk =
 #define DFLT_persiststateinterval 10
 #define DFLT_SEVERITY pri2sev(LOG_NOTICE)
 #define DFLT_FACILITY pri2fac(LOG_USER)
+#define DFLT_TAG "journal"
 
 static int bLegacyCnfModGlobalsPermitted = 1;/* are legacy module-global config parameters permitted? */
 
@@ -458,7 +461,7 @@ readjournal(void)
 	} else if (journalGetData("_COMM", &get, &length) >= 0) {
 		CHKiRet(sanitizeValue(((const char *)get) + 6, length - 6, &sys_iden));
 	} else {
-		CHKmalloc(sys_iden = strdup("journal"));
+		CHKmalloc(sys_iden = strdup(cs.dfltTag));
 	}
 
 	/* trying to get PID, default is "SYSLOG_PID" property */
@@ -826,6 +829,10 @@ CODESTARTrunInput
 			"\"usepidfromsystem\" is deprecated, use \"usepid\" instead");
 	}
 
+	if (cs.dfltTag == NULL) {
+		cs.dfltTag = strdup(DFLT_TAG);
+	}
+
 	if (cs.usePid && (strcmp(cs.usePid, "system") == 0)) {
 		pidFieldName = "_PID";
 		bPidFallBack = 0;
@@ -914,6 +921,7 @@ CODESTARTbeginCnfLoad
 	cs.bWorkAroundJournalBug = 1;
 	cs.bFsync = 0;
 	cs.bRemote = 0;
+	cs.dfltTag = NULL;
 ENDbeginCnfLoad
 
 
@@ -983,6 +991,7 @@ BEGINfreeCnf
 CODESTARTfreeCnf
 	free(cs.stateFile);
 	free(cs.usePid);
+	free(cs.dfltTag);
 	free(journalContext.cursor);
 	statsobj.Destruct(&(statsCounter.stats));
 ENDfreeCnf
@@ -1077,6 +1086,8 @@ CODESTARTsetModCnf
 			cs.bFsync = (int) pvals[i].val.d.n;
 		} else if (!strcmp(modpblk.descr[i].name, "remote")) {
 			cs.bRemote = (int) pvals[i].val.d.n;
+		} else if (!strcmp(modpblk.descr[i].name, "defaulttag")) {
+			cs.dfltTag = (char *)es_str2cstr(pvals[i].val.d.estr, NULL);
 		} else {
 			dbgprintf("imjournal: program error, non-handled "
 				"param '%s' in beginCnfLoad\n", modpblk.descr[i].name);
@@ -1144,6 +1155,8 @@ CODEmodInit_QueryRegCFSLineHdlr
 		facilityHdlr, &cs.iDfltFacility, STD_LOADABLE_MODULE_ID));
 	CHKiRet(omsdRegCFSLineHdlr((uchar *)"imjournalusepidfromsystem", 0, eCmdHdlrBinary,
 		NULL, &cs.bUseJnlPID, STD_LOADABLE_MODULE_ID));
+	CHKiRet(omsdRegCFSLineHdlr((uchar *)"imjournaldefaulttag", 0, eCmdHdlrGetWord,
+		NULL, &cs.dfltTag, STD_LOADABLE_MODULE_ID));
 ENDmodInit
 /* vim:set ai:
  */