diff --git a/src/main/resources/assets/overdrive_that_matters/models/block/holo_sign.json b/src/main/resources/assets/overdrive_that_matters/models/block/holo_sign.json
index 050affd54..8af9b0feb 100644
--- a/src/main/resources/assets/overdrive_that_matters/models/block/holo_sign.json
+++ b/src/main/resources/assets/overdrive_that_matters/models/block/holo_sign.json
@@ -76,8 +76,8 @@
 			"from": [1, 14, 10],
 			"to": [2, 15, 10],
 			"faces": {
-				"north": {"uv": [2, 12.5, 2.5, 13], "texture": "#0", "emissivity": 15},
-				"east": {"uv": [0, 0, 0, 0.5], "texture": "#0", "emissivity": 15},
+				"north": {"uv": [2, 12.5, 2.5, 13], "texture": "#0", "forge_data": {"block_light": 15}},
+				"east": {"uv": [0, 0, 0, 0.5], "texture": "#0", "forge_data": {"block_light": 15}},
 				"south": {"uv": [0, 0, 0.5, 0.5], "texture": "#missing"},
 				"west": {"uv": [0, 0, 0, 0.5], "texture": "#missing"},
 				"up": {"uv": [0, 0, 0.5, 0], "texture": "#missing"},
@@ -89,8 +89,8 @@
 			"from": [1, 1, 10],
 			"to": [2, 2, 10],
 			"faces": {
-				"north": {"uv": [2, 12.5, 2.5, 13], "texture": "#0", "emissivity": 15},
-				"east": {"uv": [0, 0, 0, 0.5], "texture": "#0", "emissivity": 15},
+				"north": {"uv": [2, 12.5, 2.5, 13], "texture": "#0", "forge_data": {"block_light": 15}},
+				"east": {"uv": [0, 0, 0, 0.5], "texture": "#0", "forge_data": {"block_light": 15}},
 				"south": {"uv": [0, 0, 0.5, 0.5], "texture": "#missing"},
 				"west": {"uv": [0, 0, 0, 0.5], "texture": "#missing"},
 				"up": {"uv": [0, 0, 0.5, 0], "texture": "#missing"},
@@ -102,8 +102,8 @@
 			"from": [14, 1, 10],
 			"to": [15, 2, 10],
 			"faces": {
-				"north": {"uv": [2, 12.5, 2.5, 13], "texture": "#0", "emissivity": 15},
-				"east": {"uv": [0, 0, 0, 0.5], "texture": "#0", "emissivity": 15},
+				"north": {"uv": [2, 12.5, 2.5, 13], "texture": "#0", "forge_data": {"block_light": 15}},
+				"east": {"uv": [0, 0, 0, 0.5], "texture": "#0", "forge_data": {"block_light": 15}},
 				"south": {"uv": [0, 0, 0.5, 0.5], "texture": "#missing"},
 				"west": {"uv": [0, 0, 0, 0.5], "texture": "#missing"},
 				"up": {"uv": [0, 0, 0.5, 0], "texture": "#missing"},
@@ -115,8 +115,8 @@
 			"from": [14, 14, 10],
 			"to": [15, 15, 10],
 			"faces": {
-				"north": {"uv": [2, 12.5, 2.5, 13], "texture": "#0", "emissivity": 15},
-				"east": {"uv": [0, 0, 0, 0.5], "texture": "#0", "emissivity": 15},
+				"north": {"uv": [2, 12.5, 2.5, 13], "texture": "#0", "forge_data": {"block_light": 15}},
+				"east": {"uv": [0, 0, 0, 0.5], "texture": "#0", "forge_data": {"block_light": 15}},
 				"south": {"uv": [0, 0, 0.5, 0.5], "texture": "#missing"},
 				"west": {"uv": [0, 0, 0, 0.5], "texture": "#missing"},
 				"up": {"uv": [0, 0, 0.5, 0], "texture": "#missing"},
@@ -131,7 +131,7 @@
 				"north": {"uv": [0, 0, 0, 2], "texture": "#missing"},
 				"east": {"uv": [0, 0, 0.5, 2], "texture": "#missing"},
 				"south": {"uv": [0, 0, 0, 2], "texture": "#missing"},
-				"west": {"uv": [2, 13, 2.5, 15], "texture": "#0", "emissivity": 15},
+				"west": {"uv": [2, 13, 2.5, 15], "texture": "#0", "forge_data": {"block_light": 15}},
 				"up": {"uv": [0, 0, 0, 0.5], "texture": "#missing"},
 				"down": {"uv": [0, 0, 0, 0.5], "texture": "#missing"}
 			}
@@ -142,9 +142,9 @@
 			"to": [2, 10, 10],
 			"faces": {
 				"north": {"uv": [0, 0, 0, 2], "texture": "#missing"},
-				"east": {"uv": [2, 13, 2.5, 15], "texture": "#0", "emissivity": 15},
+				"east": {"uv": [2, 13, 2.5, 15], "texture": "#0", "forge_data": {"block_light": 15}},
 				"south": {"uv": [0, 0, 0, 2], "texture": "#missing"},
-				"west": {"uv": [2, 13, 2.5, 15], "texture": "#0", "emissivity": 15},
+				"west": {"uv": [2, 13, 2.5, 15], "texture": "#0", "forge_data": {"block_light": 15}},
 				"up": {"uv": [0, 0, 0, 0.5], "texture": "#missing"},
 				"down": {"uv": [0, 0, 0, 0.5], "texture": "#missing"}
 			}