diff --git a/kubejs/startup_scripts/tfg/tag_prefixes.js b/kubejs/startup_scripts/tfg/tag_prefixes.js
index 4e1ef1d21..8d9f53cb6 100644
--- a/kubejs/startup_scripts/tfg/tag_prefixes.js
+++ b/kubejs/startup_scripts/tfg/tag_prefixes.js
@@ -7,6 +7,7 @@ function registerTFGTagPrefixes(event) {
 	excludeAllGemsButNormal(TFGHelpers.getMaterial('tfg:tetrafluoroethane'));
 	excludeAllGemsButNormal(TFGHelpers.getMaterial('tfg:crimsene'));
 	excludeAllGemsButNormal(TFGHelpers.getMaterial('tfg:warpane'));
+	excludeAllGemsButNormal(GTMaterials.Coke)
 	
 	TagPrefix.nugget.setIgnored(GTMaterials.RawRubber);
 	TagPrefix.ingot.setIgnored(GTMaterials.RawRubber);