diff --git a/kubejs/data/tfg/worldgen/configured_feature/mars/underground/icicle.json b/kubejs/data/tfg/worldgen/configured_feature/mars/underground/icicle.json
new file mode 100644
index 000000000..f20647777
--- /dev/null
+++ b/kubejs/data/tfg/worldgen/configured_feature/mars/underground/icicle.json
@@ -0,0 +1,10 @@
+{
+	"type": "tfc:thin_spike",
+	"config": {
+		"state": "tfc:icicle",
+		"radius": 10,
+		"tries": 50,
+		"min_height": 2,
+		"max_height": 5
+	}
+}
\ No newline at end of file
diff --git a/kubejs/data/tfg/worldgen/configured_feature/mars/underground/icicle_extra.json b/kubejs/data/tfg/worldgen/configured_feature/mars/underground/icicle_extra.json
new file mode 100644
index 000000000..f20647777
--- /dev/null
+++ b/kubejs/data/tfg/worldgen/configured_feature/mars/underground/icicle_extra.json
@@ -0,0 +1,10 @@
+{
+	"type": "tfc:thin_spike",
+	"config": {
+		"state": "tfc:icicle",
+		"radius": 10,
+		"tries": 50,
+		"min_height": 2,
+		"max_height": 5
+	}
+}
\ No newline at end of file
diff --git a/kubejs/data/tfg/worldgen/placed_feature/mars/underground/icicle.json b/kubejs/data/tfg/worldgen/placed_feature/mars/underground/icicle.json
index fc0e253e7..24c33f3d3 100644
--- a/kubejs/data/tfg/worldgen/placed_feature/mars/underground/icicle.json
+++ b/kubejs/data/tfg/worldgen/placed_feature/mars/underground/icicle.json
@@ -1,5 +1,5 @@
 {
-	"feature": "tfc:icicle",
+	"feature": "tfg:mars/underground/icicle",
 	"placement": [
 		{
 			"type": "minecraft:count",
diff --git a/kubejs/data/tfg/worldgen/placed_feature/mars/underground/icicle_extra.json b/kubejs/data/tfg/worldgen/placed_feature/mars/underground/icicle_extra.json
index 6d287898a..3da33c42c 100644
--- a/kubejs/data/tfg/worldgen/placed_feature/mars/underground/icicle_extra.json
+++ b/kubejs/data/tfg/worldgen/placed_feature/mars/underground/icicle_extra.json
@@ -1,5 +1,5 @@
 {
-	"feature": "tfc:icicle",
+	"feature": "tfg:mars/underground/icicle_extra",
 	"placement": [
 		{
 			"type": "minecraft:count",