diff --git a/raster/r.flow/io.c b/raster/r.flow/flow_io.c
similarity index 100%
rename from raster/r.flow/io.c
rename to raster/r.flow/flow_io.c
diff --git a/raster/r.flow/io.h b/raster/r.flow/flow_io.h
similarity index 100%
rename from raster/r.flow/io.h
rename to raster/r.flow/flow_io.h
diff --git a/raster/r.flow/main.c b/raster/r.flow/main.c
index 791cd9350c0..bb8c3a6d6b4 100644
--- a/raster/r.flow/main.c
+++ b/raster/r.flow/main.c
@@ -32,7 +32,7 @@
 #include <grass/glocale.h>
 #include "r.flow.h"
 #include "mem.h"
-#include "io.h"
+#include "flow_io.h"
 #include "aspect.h"
 #include "precomp.h"
 
diff --git a/raster/r.flow/mem.c b/raster/r.flow/mem.c
index 44f24e55649..4dbe818bc11 100644
--- a/raster/r.flow/mem.c
+++ b/raster/r.flow/mem.c
@@ -28,7 +28,7 @@
 #include <grass/raster.h>
 #include <grass/glocale.h>
 #include "r.flow.h"
-#include "io.h"
+#include "flow_io.h"
 #include "mem.h"
 
 /************************** MEMORY MGMT/ACCESS **************************/
diff --git a/raster/r.flow/precomp.c b/raster/r.flow/precomp.c
index 36d5678a8c2..eac8ca3f1fa 100644
--- a/raster/r.flow/precomp.c
+++ b/raster/r.flow/precomp.c
@@ -28,7 +28,7 @@
 #include <grass/raster.h>
 #include <grass/glocale.h>
 #include "r.flow.h"
-#include "io.h"
+#include "flow_io.h"
 #include "mem.h"
 #include "aspect.h"