diff --git a/hdr/crt-sony-megatron-jvc-professional-TM-H1950CG.slangp b/hdr/crt-sony-megatron-jvc-professional-TM-H1950CG.slangp
index c6e3b57..b3fdafd 100644
--- a/hdr/crt-sony-megatron-jvc-professional-TM-H1950CG.slangp
+++ b/hdr/crt-sony-megatron-jvc-professional-TM-H1950CG.slangp
@@ -5,7 +5,7 @@ hcrt_crt_screen_type = "1.000000"
 hcrt_crt_resolution = "2.000000"
 hcrt_expand_gamut = "1.000000"
 hcrt_red_vertical_convergence = "0.000000"
-hcrt_green_vertical_convergence = "0.400000"
+hcrt_green_vertical_convergence = "0.040000"
 hcrt_blue_vertical_convergence = "0.000000"
 hcrt_red_scanline_min = "0.200000"
 hcrt_red_scanline_max = "0.750000"