diff --git a/apps/bitmaps/mono/SOURCES b/apps/bitmaps/mono/SOURCES
index c59aab6107..4d9008e8a3 100644
--- a/apps/bitmaps/mono/SOURCES
+++ b/apps/bitmaps/mono/SOURCES
@@ -1,3 +1,3 @@
 #if defined(SIMULATOR) && defined(__APPLE__)
-osx.dummy.bmp
+osx_dummy.bmp
 #endif
diff --git a/apps/bitmaps/mono/osx.dummy.bmp b/apps/bitmaps/mono/osx_dummy.bmp
similarity index 100%
rename from apps/bitmaps/mono/osx.dummy.bmp
rename to apps/bitmaps/mono/osx_dummy.bmp
diff --git a/apps/bitmaps/remote_mono/SOURCES b/apps/bitmaps/remote_mono/SOURCES
index c59aab6107..83b71c10b2 100644
--- a/apps/bitmaps/remote_mono/SOURCES
+++ b/apps/bitmaps/remote_mono/SOURCES
@@ -1,3 +1,3 @@
 #if defined(SIMULATOR) && defined(__APPLE__)
-osx.dummy.bmp
+osx_remote_dummy.bmp
 #endif
diff --git a/apps/bitmaps/remote_mono/osx.dummy.bmp b/apps/bitmaps/remote_mono/osx_remote_dummy.bmp
similarity index 100%
rename from apps/bitmaps/remote_mono/osx.dummy.bmp
rename to apps/bitmaps/remote_mono/osx_remote_dummy.bmp