diff --git a/gfx/filters/Blargg_NTSC_SNES_Composite.filt b/gfx/filters/Blargg_NTSC_SNES_Composite.filt
index e2c064325f..67e871afd7 100644
--- a/gfx/filters/Blargg_NTSC_SNES_Composite.filt
+++ b/gfx/filters/Blargg_NTSC_SNES_Composite.filt
@@ -1,3 +1,3 @@
 filter = blargg_ntsc_snes
 
-tvtype = "composite"
+blargg_ntsc_snes_tvtype = "composite"
diff --git a/gfx/filters/Blargg_NTSC_SNES_RF.filt b/gfx/filters/Blargg_NTSC_SNES_RF.filt
index 93f3826270..b959edef31 100644
--- a/gfx/filters/Blargg_NTSC_SNES_RF.filt
+++ b/gfx/filters/Blargg_NTSC_SNES_RF.filt
@@ -1,2 +1,2 @@
 filter = blargg_ntsc_snes
-tvtype = "rf"
+blargg_ntsc_snes_tvtype = "rf"
diff --git a/gfx/filters/Blargg_NTSC_SNES_RGB.filt b/gfx/filters/Blargg_NTSC_SNES_RGB.filt
index bd7b3fbd34..de48fbbedd 100644
--- a/gfx/filters/Blargg_NTSC_SNES_RGB.filt
+++ b/gfx/filters/Blargg_NTSC_SNES_RGB.filt
@@ -1,3 +1,2 @@
 filter = blargg_ntsc_snes
-
-tvtype = "rgb"
+blargg_ntsc_snes_tvtype = "rgb"
diff --git a/gfx/filters/Blargg_NTSC_SNES_S-Video.filt b/gfx/filters/Blargg_NTSC_SNES_S-Video.filt
index 9ac57ae4cd..8755dbf1be 100644
--- a/gfx/filters/Blargg_NTSC_SNES_S-Video.filt
+++ b/gfx/filters/Blargg_NTSC_SNES_S-Video.filt
@@ -1,2 +1,2 @@
 filter = blargg_ntsc_snes
-tvtype = "svideo"
+blargg_ntsc_snes_tvtype = "svideo"