diff --git a/libc/stdio/lib_sscanf.c b/libc/stdio/lib_sscanf.c
index 858cf8db2d0..fed7d71f347 100644
--- a/libc/stdio/lib_sscanf.c
+++ b/libc/stdio/lib_sscanf.c
@@ -90,6 +90,7 @@ static const char spaces[] = " \t\n\r\f\v";
 
 static int findwidth(FAR const char *buf, FAR const char *fmt)
 {
+#if 0 /* Behavior no longer supported */
   FAR const char *next = fmt + 1;
 
   /* No... is there a space after the format? Or does the format string end
@@ -114,7 +115,7 @@ static int findwidth(FAR const char *buf, FAR const char *fmt)
        */
 
       FAR const char *ptr = strchr(buf, *next);
-      if (ptr)
+      if (ptr != NULL)
         {
           return (int)(ptr - buf);
         }
@@ -130,6 +131,9 @@ static int findwidth(FAR const char *buf, FAR const char *fmt)
    * determining the width of the data if there is no fieldwidth, no space
    * separating the input, and no usable delimiter character.
    */
+#endif
+
+  /* Use the input up until the first white space is encountered. */
 
   return strcspn(buf, spaces);
 }