diff --git a/pplot.f b/pplot.f
index 7e06e68..c86b2b2 100644
--- a/pplot.f
+++ b/pplot.f
@@ -4720,6 +4720,7 @@ C---- Initialise variables
           SCORE(IDIST) = 0.0
  50   CONTINUE
 
+      REWIND(3)
 C---- If the required residue is of a greater number than that required,
 C     read through the file until come to it
       IF (IRESID.GT.INRES) THEN
diff --git a/ps.f b/ps.f
index b652a7d..858b8e5 100644
--- a/ps.f
+++ b/ps.f
@@ -1705,12 +1705,14 @@ CVAX     -    CARRIAGECONTROL='LIST',
 C---- If this is an existing file, then read through all its records until
 C     get to the end of file
       IF (.NOT.NEWFIL) THEN
+          CLOSE(14)
+          OPEN(14, file=fname, status='old', position='append', err=900)
 
 C----     Loop through the file until reach the end
- 100      CONTINUE
-             READ(14,110,END=500) IREC
- 110         FORMAT(A)
-          GO TO 100
+C 100      CONTINUE
+C             READ(14,110,END=500) IREC
+C 110         FORMAT(A)
+C          GO TO 100
 
 C---- If this is a new file, then write the header records to it
       ELSE