diff --git a/src/serial.c b/src/serial.c
index 21485d3..688f132 100644
--- a/src/serial.c
+++ b/src/serial.c
@@ -10,7 +10,11 @@
 #include "unix.h"
 
 #include <string.h>
+#ifndef PSP
 #include <sys/un.h>
+#else
+#include "psp-un.h"
+#endif
 
 /*
 Reuses userdata definition from unix.h, since it is useful for all
diff --git a/src/unixdgram.c b/src/unixdgram.c
index 69093d7..20c9829 100644
--- a/src/unixdgram.c
+++ b/src/unixdgram.c
@@ -12,7 +12,11 @@
 #include <string.h>
 #include <stdlib.h>
 
+#ifndef PSP
 #include <sys/un.h>
+#else
+#include "psp-un.h"
+#endif
 
 #define UNIXDGRAM_DATAGRAMSIZE 8192
 
diff --git a/src/unixstream.c b/src/unixstream.c
index 02aced9..b5b0b8a 100644
--- a/src/unixstream.c
+++ b/src/unixstream.c
@@ -10,7 +10,11 @@
 #include "unixstream.h"
 
 #include <string.h>
+#ifndef PSP
 #include <sys/un.h>
+#else
+#include "psp-un.h"
+#endif
 
 /*=========================================================================*\
 * Internal function prototypes