diff --git a/src/RageSurface_Load_BMP.cpp b/src/RageSurface_Load_BMP.cpp
index 64fc660740..3f4924fb03 100644
--- a/src/RageSurface_Load_BMP.cpp
+++ b/src/RageSurface_Load_BMP.cpp
@@ -41,7 +41,6 @@ static RageSurfaceUtils::OpenResult LoadBMP( RageFile &f, RageSurface *&img, RSt
 	uint32_t iDataOffset = read_u32_le( f, sError );
 	uint32_t iHeaderSize = read_u32_le( f, sError );
 
-
 	uint32_t iWidth, iHeight, iPlanes, iBPP, iCompression = COMP_BI_RGB, iColors = 0;
 	if( iHeaderSize == 12 )
 	{
@@ -100,6 +99,8 @@ static RageSurfaceUtils::OpenResult LoadBMP( RageFile &f, RageSurface *&img, RSt
 		Gmask = Swap32LE( 0x0000FF00 );
 		Bmask = Swap32LE( 0x000000FF );
 		break;
+	default:
+		FAIL_M( ssprintf("%iBPP color depth not handled by BMP loader!", iBPP) );
 	}
 
 	if( iCompression == COMP_BI_BITFIELDS )