diff --git a/mio/lib/Makefile.am b/mio/lib/Makefile.am
index 6652266..ab3f0b7 100644
--- a/mio/lib/Makefile.am
+++ b/mio/lib/Makefile.am
@@ -41,7 +41,6 @@ libmio_la_SOURCES = \
 	fmt.c \
 	fmt-imp.h \
 	mio-prv.h \
-	mio-sys.h \
 	mio.c \
 	nwif.c \
 	pro.c \
@@ -52,6 +51,7 @@ libmio_la_SOURCES = \
 	sys-err.c \
 	sys-log.c \
 	sys-mux.c \
+	sys-prv.h \
 	sys-tim.c \
 	tmr.c \
 	utf8.c \
diff --git a/mio/lib/Makefile.in b/mio/lib/Makefile.in
index 45db414..882b753 100644
--- a/mio/lib/Makefile.in
+++ b/mio/lib/Makefile.in
@@ -417,7 +417,6 @@ libmio_la_SOURCES = \
 	fmt.c \
 	fmt-imp.h \
 	mio-prv.h \
-	mio-sys.h \
 	mio.c \
 	nwif.c \
 	pro.c \
@@ -428,6 +427,7 @@ libmio_la_SOURCES = \
 	sys-err.c \
 	sys-log.c \
 	sys-mux.c \
+	sys-prv.h \
 	sys-tim.c \
 	tmr.c \
 	utf8.c \
diff --git a/mio/lib/sys-log.c b/mio/lib/sys-log.c
index 1c5e642..8f7012d 100644
--- a/mio/lib/sys-log.c
+++ b/mio/lib/sys-log.c
@@ -24,7 +24,7 @@
     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "mio-sys.h"
+#include "sys-prv.h"
 
 #if defined(_WIN32)
 #	include <windows.h>
diff --git a/mio/lib/sys-mux.c b/mio/lib/sys-mux.c
index 89e7056..37f4a50 100644
--- a/mio/lib/sys-mux.c
+++ b/mio/lib/sys-mux.c
@@ -24,7 +24,7 @@
     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "mio-sys.h"
+#include "sys-prv.h"
 
 #include <fcntl.h>
 #include <unistd.h>
diff --git a/mio/lib/mio-sys.h b/mio/lib/sys-prv.h
similarity index 100%
rename from mio/lib/mio-sys.h
rename to mio/lib/sys-prv.h
diff --git a/mio/lib/sys-tim.c b/mio/lib/sys-tim.c
index b43d7e6..bbe1ea6 100644
--- a/mio/lib/sys-tim.c
+++ b/mio/lib/sys-tim.c
@@ -24,7 +24,7 @@
     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "mio-sys.h"
+#include "sys-prv.h"
 
 #if defined(_WIN32)
 #	include <windows.h>
diff --git a/mio/lib/sys.c b/mio/lib/sys.c
index aa0f896..159758b 100644
--- a/mio/lib/sys.c
+++ b/mio/lib/sys.c
@@ -24,7 +24,7 @@
     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "mio-sys.h"
+#include "sys-prv.h"
 
 int mio_sys_init (mio_t* mio)
 {