diff --git a/c/src/lib/libbsp/i386/ts_386ex/network/ne2000.c b/c/src/lib/libbsp/i386/ts_386ex/network/ne2000.c
index 9c8f5a10f6..622b802aab 100644
--- a/c/src/lib/libbsp/i386/ts_386ex/network/ne2000.c
+++ b/c/src/lib/libbsp/i386/ts_386ex/network/ne2000.c
@@ -42,7 +42,7 @@
 #include <sys/mbuf.h>
 #include <sys/socket.h>
 #include <sys/sockio.h>
-#include <sys/errno.h>
+#include <errno.h>
 
 #include <net/if.h>
 
diff --git a/c/src/lib/libbsp/m68k/gen68302/network/network.c b/c/src/lib/libbsp/m68k/gen68302/network/network.c
index 4cafe51ce3..506dddc2ae 100644
--- a/c/src/lib/libbsp/m68k/gen68302/network/network.c
+++ b/c/src/lib/libbsp/m68k/gen68302/network/network.c
@@ -21,7 +21,7 @@
 #include <sys/mbuf.h>
 #include <sys/socket.h>
 #include <sys/sockio.h>
-#include <sys/errno.h>
+#include <errno.h>
 
 #include <net/if.h>
 
diff --git a/c/src/libchip/network/if_fxp.c b/c/src/libchip/network/if_fxp.c
index be089b04aa..8d6fd84dd8 100644
--- a/c/src/libchip/network/if_fxp.c
+++ b/c/src/libchip/network/if_fxp.c
@@ -64,7 +64,7 @@
 #include <rtems/rtems_bsdnet.h>
 #include <bsp.h>
 
-#include <sys/errno.h>
+#include <errno.h>
 #include <sys/param.h>
 #include <sys/mbuf.h>
 #include <sys/socket.h>