diff --git a/Lib/plat-irix5/torgb.py b/Lib/plat-irix5/torgb.py
index c9fee0d9d63..6208289956a 100755
--- a/Lib/plat-irix5/torgb.py
+++ b/Lib/plat-irix5/torgb.py
@@ -92,7 +92,7 @@ def _torgb(filename, temps):
 	if ftype is None or not table.has_key(ftype):
 		raise error, \
 			filename + ': unsupported image file type ' + `ftype`
-	(fd, temp) = tempfile.mktemp()
+	(fd, temp) = tempfile.mkstemp()
 	os.close(fd)
 	sts = table[ftype].copy(fname, temp)
 	if sts:
diff --git a/Lib/plat-irix6/torgb.py b/Lib/plat-irix6/torgb.py
index c9fee0d9d63..6208289956a 100644
--- a/Lib/plat-irix6/torgb.py
+++ b/Lib/plat-irix6/torgb.py
@@ -92,7 +92,7 @@ def _torgb(filename, temps):
 	if ftype is None or not table.has_key(ftype):
 		raise error, \
 			filename + ': unsupported image file type ' + `ftype`
-	(fd, temp) = tempfile.mktemp()
+	(fd, temp) = tempfile.mkstemp()
 	os.close(fd)
 	sts = table[ftype].copy(fname, temp)
 	if sts:
diff --git a/Lib/toaiff.py b/Lib/toaiff.py
index 35fbebb5df4..51752f42336 100644
--- a/Lib/toaiff.py
+++ b/Lib/toaiff.py
@@ -99,7 +99,7 @@ def _toaiff(filename, temps):
     if ftype is None or not ftype in table:
         raise error, \
                 filename + ': unsupported audio file type ' + `ftype`
-    (fd, temp) = tempfile.mktemp()
+    (fd, temp) = tempfile.mkstemp()
     os.close(fd)
     temps.append(temp)
     sts = table[ftype].copy(fname, temp)