diff --git a/code/renderergl1/tr_init.c b/code/renderergl1/tr_init.c
index 1c502018..6753e119 100644
--- a/code/renderergl1/tr_init.c
+++ b/code/renderergl1/tr_init.c
@@ -1037,7 +1037,7 @@ void R_Register( void )
 	r_stencilbits = ri.Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE | CVAR_LATCH );
 	r_depthbits = ri.Cvar_Get( "r_depthbits", "0", CVAR_ARCHIVE | CVAR_LATCH );
 	r_ext_multisample = ri.Cvar_Get( "r_ext_multisample", "0", CVAR_ARCHIVE | CVAR_LATCH );
-	ri.Cvar_CheckRange( r_ext_multisample, 0, 4, qtrue );
+	ri.Cvar_CheckRange( r_ext_multisample, 0, 8, qtrue );
 	r_overBrightBits = ri.Cvar_Get ("r_overBrightBits", "1", CVAR_ARCHIVE | CVAR_LATCH );
 	r_ignorehwgamma = ri.Cvar_Get( "r_ignorehwgamma", "0", CVAR_ARCHIVE | CVAR_LATCH);
 	r_mode = ri.Cvar_Get( "r_mode", "3", CVAR_ARCHIVE | CVAR_LATCH );
diff --git a/code/renderergl2/tr_init.c b/code/renderergl2/tr_init.c
index 12bac4b0..29f1fb1d 100644
--- a/code/renderergl2/tr_init.c
+++ b/code/renderergl2/tr_init.c
@@ -1259,7 +1259,7 @@ void R_Register( void )
 	r_stencilbits = ri.Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE | CVAR_LATCH );
 	r_depthbits = ri.Cvar_Get( "r_depthbits", "0", CVAR_ARCHIVE | CVAR_LATCH );
 	r_ext_multisample = ri.Cvar_Get( "r_ext_multisample", "0", CVAR_ARCHIVE | CVAR_LATCH );
-	ri.Cvar_CheckRange( r_ext_multisample, 0, 4, qtrue );
+	ri.Cvar_CheckRange( r_ext_multisample, 0, 8, qtrue );
 	r_overBrightBits = ri.Cvar_Get ("r_overBrightBits", "1", CVAR_ARCHIVE | CVAR_LATCH );
 	r_ignorehwgamma = ri.Cvar_Get( "r_ignorehwgamma", "0", CVAR_ARCHIVE | CVAR_LATCH);
 	r_mode = ri.Cvar_Get( "r_mode", "-2", CVAR_ARCHIVE | CVAR_LATCH );