diff -urNp a/converter/ppm/winicontoppm.c b/converter/ppm/winicontoppm.c
--- a/converter/ppm/winicontoppm.c	2021-08-16 15:01:10.340119568 +0200
+++ b/converter/ppm/winicontoppm.c	2021-08-16 15:02:02.414864550 +0200
@@ -180,13 +180,13 @@ readU1String (FILE *       const ifP,
         pm_error("out of memory");
 
     rc = fread(string, sizeof(u1), length, ifP);
-    if (rc < length) {
+ /*   if (rc < length) {
         if (feof(ifP))
             pm_error("File read failed.  Premature end of file");
         else
             pm_error("File read failed.  Errno=%d (%s)",
                      errno, strerror(errno));
-    }
+    }*/
 
     string[length] = 0;
     fileOffset += length * sizeof(u1);