--- src/cut.c
+++ src/cut.c
@@ -869,7 +869,10 @@
   c = getc (stream);
   empty_input = (c == EOF);
   if (c != EOF)
-    ungetc (c, stream);
+    {
+      ungetc (c, stream);
+      wc = 0;
+    }
   else
     wc = WEOF;
 
--- src/expand.c
+++ src/expand.c
@@ -414,7 +414,7 @@
   for (;;)
     {
       /* Input character, or EOF.  */
-      wint_t wc;
+      wint_t wc = 0;
 
       /* If true, perform translations.  */
       bool convert = true;