diff --git a/src/common/xsprintf.c b/src/common/xsprintf.c
index 556e4f359..2e811a5b1 100644
--- a/src/common/xsprintf.c
+++ b/src/common/xsprintf.c
@@ -352,8 +352,8 @@ static void StoreOffset (PrintfCtrl* P)
 /* Store the current output offset (%n format spec) */
 {
     switch (P->LengthMod) {
-        case lmChar:     *va_arg (P->ap, int*)       = P->BufFill; break;
-        case lmShort:    *va_arg (P->ap, int*)       = P->BufFill; break;
+        case lmChar:     *va_arg (P->ap, char*)      = P->BufFill; break;
+        case lmShort:    *va_arg (P->ap, short*)     = P->BufFill; break;
         case lmInt:      *va_arg (P->ap, int*)       = P->BufFill; break;
         case lmLong:     *va_arg (P->ap, long*)      = P->BufFill; break;
         case lmIntMax:   *va_arg (P->ap, intmax_t*)  = P->BufFill; break;