diff -up rpm-4.8.0/lib/psm.c.strict-script rpm-4.8.0/lib/psm.c
--- rpm-4.8.0/lib/psm.c.strict-script	2013-08-05 11:09:40.290136043 +0300
+++ rpm-4.8.0/lib/psm.c	2013-08-05 11:12:18.465137945 +0300
@@ -517,7 +517,9 @@ static rpmRC runLuaScript(rpmpsm psm, He
     if (rc != RPMRC_OK) {
 	if ((stag != RPMTAG_PREIN && stag != RPMTAG_PREUN &&
 	     stag != RPMTAG_VERIFYSCRIPT && stag != RPMTAG_PRETRANS)) {
-	    warn_only = 1;
+	    if (!rpmExpandNumeric("%{?_strict_script_errors}")) {
+		warn_only = 1;
+	    }
 	}
     }
     umask(oldmask);
@@ -774,7 +776,9 @@ static rpmRC runScript(rpmpsm psm, Heade
 	} else {
 	    /* filter out "regular" error exits from non-pre scriptlets */
 	    if ((stag != RPMTAG_PREIN && stag != RPMTAG_PREUN && stag != RPMTAG_VERIFYSCRIPT && stag != RPMTAG_PRETRANS)) {
-		warn_only = 1;
+		if (!rpmExpandNumeric("%{?_strict_script_errors}")) {
+		    warn_only = 1;
+		}
 	    }
 	    rpmlog(warn_only ? RPMLOG_WARNING : RPMLOG_ERR, 
 		   _("%s scriptlet failed, exit status %d\n"),