diff --git a/rtengine/cfa_linedn_RT.cc b/rtengine/cfa_linedn_RT.cc
index 8f7449cd0..f291f18c8 100644
--- a/rtengine/cfa_linedn_RT.cc
+++ b/rtengine/cfa_linedn_RT.cc
@@ -64,7 +64,7 @@ void RawImageSource::CLASS cfa_linedn(float noise)
 	int ex, ey; 
 	int verbose=1;
 	
-	const float clip_pt = 0.8*ri->defgain; 
+	const float clip_pt = 0.8*ri->defgain * 65535.0; 
 	
 	float eps=1e-5;			//tolerance to avoid dividing by zero