diff --git a/ncat/ncat_core.c b/ncat/ncat_core.c
index 8332c5b7c..006386f36 100644
--- a/ncat/ncat_core.c
+++ b/ncat/ncat_core.c
@@ -454,16 +454,6 @@ int ncat_delay_timer(int delayval)
     return 1;
 }
 
-/* Open a logfile for writing.
- * Return the open file descriptor. */
-int ncat_openlog(const char *logfile, int append)
-{
-    if (append)
-        return Open(logfile, O_BINARY | O_WRONLY | O_CREAT | O_APPEND, 0664);
-    else
-        return Open(logfile, O_BINARY | O_WRONLY | O_CREAT | O_TRUNC, 0664);
-}
-
 static int ncat_hexdump(int logfd, const char *data, int len);
 
 void ncat_log_send(const char *data, size_t len)
diff --git a/ncat/ncat_posix.c b/ncat/ncat_posix.c
index c83e4c9cf..9946b20b6 100644
--- a/ncat/ncat_posix.c
+++ b/ncat/ncat_posix.c
@@ -391,6 +391,14 @@ char **cmdline_split(const char *cmdexec)
     return cmd_args;
 }
 
+int ncat_openlog(const char *logfile, int append)
+{
+    if (append)
+        return Open(logfile, O_WRONLY | O_CREAT | O_APPEND, 0664);
+    else
+        return Open(logfile, O_WRONLY | O_CREAT | O_TRUNC, 0664);
+}
+
 void set_lf_mode(void)
 {
     /* Nothing needed. */
diff --git a/ncat/ncat_win.c b/ncat/ncat_win.c
index 7e6186ebf..d7ecce3a5 100644
--- a/ncat/ncat_win.c
+++ b/ncat/ncat_win.c
@@ -124,6 +124,14 @@
 #include "nbase.h"
 #include "ncat.h"
 
+int ncat_openlog(const char *logfile, int append)
+{
+    if (append)
+        return Open(logfile, O_BINARY | O_WRONLY | O_CREAT | O_APPEND, 0664);
+    else
+        return Open(logfile, O_BINARY | O_WRONLY | O_CREAT | O_TRUNC, 0664);
+}
+
 void set_lf_mode(void)
 {
     /* _O_TEXT (the default setting) converts \r\n to \n on input, making the