diff --git a/qse/lib/awk/parse.c b/qse/lib/awk/parse.c
index eb49d69d..919d4e6b 100644
--- a/qse/lib/awk/parse.c
+++ b/qse/lib/awk/parse.c
@@ -437,7 +437,7 @@ static global_t gtab[] =
 
 #define SETERR_ARG(awk,code,ep,el) SETERR_ARG_LOC(awk,code,ep,el,QSE_NULL)
 
-#define ADJERR_LOC(rtx,l) do { (awk)->errinf.loc = *(l); } while (0)
+#define ADJERR_LOC(awk,l) do { (awk)->errinf.loc = *(l); } while (0)
 
 static QSE_INLINE int is_plain_var (qse_awk_nde_t* nde)
 {
diff --git a/qse/lib/awk/std.c b/qse/lib/awk/std.c
index cd90771a..ca3dd986 100644
--- a/qse/lib/awk/std.c
+++ b/qse/lib/awk/std.c
@@ -2416,6 +2416,7 @@ static ioattr_t* find_or_make_ioattr (
 		if (pair == QSE_NULL)
 		{
 			qse_awk_rtx_seterrnum (rtx, QSE_AWK_ENOMEM, QSE_NULL);
+			return QSE_NULL;
 		}
 	}