--- rpm-5.4.9/lib/psm.c.slash~	2012-05-15 03:47:32.000000000 +0200
+++ rpm-5.4.9/lib/psm.c	2012-05-15 03:49:04.075347677 +0200
@@ -1463,11 +1463,15 @@ static rpmRC runTriggersLoop(rpmpsm psm,
 	ARGint_t vals;
 
 	depName = _free(depName);
-	depName = (char *) xmalloc(nName + 1 + 1);
-	(void) stpcpy(depName, Name);
-	/* XXX re-add the pesky trailing '/' to dirnames. */
-	depName[nName] = (tagno == RPMTAG_DIRNAMES ? '/' : '\0');
-	depName[nName+1] = '\0';
+	if (!strcmp(Name, "/"))
+		depName = xstrdup(Name);
+	else {
+	    depName = xmalloc(nName + 1 + 1);
+	    (void) stpcpy(depName, Name);
+	    /* XXX re-add the pesky trailing '/' to dirnames. */
+	    depName[nName] = (tagno == RPMTAG_DIRNAMES ? '/' : '\0');
+	    depName[nName+1] = '\0';
+	}
 
 	if (depName[0] == '/' && psm->Tmires != NULL) {
 	    miRE mire;