diff --git a/contrib/seg/seg.c b/contrib/seg/seg.c
index 3354a900942..f9b9d93af0f 100644
--- a/contrib/seg/seg.c
+++ b/contrib/seg/seg.c
@@ -929,7 +929,7 @@ restore(char *result, float val, int n)
 	*p = '\0';
 
 	/* get the exponent */
-	mant = (char *) strtok(strdup(result), "e");
+	mant = (char *) strtok(pstrdup(result), "e");
 	exp = atoi(strtok(NULL, "e"));
 
 	if (exp == 0)