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-rw-r--r--converter/ppm/ppmtoarbtxt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/converter/ppm/ppmtoarbtxt.c b/converter/ppm/ppmtoarbtxt.c
index 774a47c4..fe466ea5 100644
--- a/converter/ppm/ppmtoarbtxt.c
+++ b/converter/ppm/ppmtoarbtxt.c
@@ -276,7 +276,7 @@ SKL_OBJ **skl;
    objlen = 0;
    for (;;)   /* Read replacement string up to ')' */
    {
-     if (objlen == sizeof (objstr)) break; /* ')' not found */
+     if (objlen == sizeof (objstr)-1) break; /* ')' not found */
      if ((chr = getc (sklfile)) == EOF) break;
      if (chr == meta3) break;
      objstr[objlen++] = chr;