diff --git a/src/Draw.cpp b/src/Draw.cpp
index e9997cdc..4c330d98 100644
--- a/src/Draw.cpp
+++ b/src/Draw.cpp
@@ -248,7 +248,7 @@ BOOL MakeSurface_Resource(const char *name, SurfaceID surf_no)
 BOOL MakeSurface_File(const char *name, SurfaceID surf_no)
 {
 	char path[MAX_PATH];
-	sprintf(path, "%s\\%s.pbm", gDataPath, name);
+	sprintf(path, "%s/%s.pbm", gDataPath, name);
 
 	if (!IsEnableBitmap(path))
 	{
@@ -328,7 +328,7 @@ BOOL ReloadBitmap_Resource(const char *name, SurfaceID surf_no)
 BOOL ReloadBitmap_File(const char *name, SurfaceID surf_no)
 {
 	char path[MAX_PATH];
-	sprintf(path, "%s\\%s.pbm", gDataPath, name);
+	sprintf(path, "%s/%s.pbm", gDataPath, name);
 
 	if (!IsEnableBitmap(path))
 	{
diff --git a/src/Sound.cpp b/src/Sound.cpp
index 3275ebb2..45d2ae30 100644
--- a/src/Sound.cpp
+++ b/src/Sound.cpp
@@ -39,7 +39,7 @@ BOOL InitDirectSound(void)
 	for (i = 0; i < SE_MAX; i++)
 		lpSECONDARYBUFFER[i] = NULL;
 
-	StartOrganya("Org\\Wave.dat");
+	StartOrganya("Org/Wave.dat");
 
 	return TRUE;
 }