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-rw-r--r--doc/HISTORY2
-rw-r--r--generator/pamstereogram.c2
2 files changed, 3 insertions, 1 deletions
diff --git a/doc/HISTORY b/doc/HISTORY
index 8fff1b94..69aa35eb 100644
--- a/doc/HISTORY
+++ b/doc/HISTORY
@@ -8,6 +8,8 @@ not yet  BJH  Release 10.59.00
 
               pamstereogram: fix crash introduced in 10.54 (March 2011).
 
+              pamstereogram: fix crash introduced in 10.53 (December 2010).
+
 12.03.29 BJH  Release 10.58.00
 
               Add ppmtospu, 22 years late.
diff --git a/generator/pamstereogram.c b/generator/pamstereogram.c
index 574bb033..7c930894 100644
--- a/generator/pamstereogram.c
+++ b/generator/pamstereogram.c
@@ -825,7 +825,7 @@ computeFixedPoint(const int *  const same,
 -----------------------------------------------------------------------------*/
     int col;
 
-    for (col = width; col >= 0; --col) {
+    for (col = width-1; col >= 0; --col) {
         if (same[col] != col)
             sameFp[col] = sameFp[same[col]];
         else {