diff --git a/src/main/resources/trees/dynamictrees/species/acacia.json b/src/main/resources/trees/dynamictrees/species/acacia.json
index e833d6409..2ab8fb76e 100644
--- a/src/main/resources/trees/dynamictrees/species/acacia.json
+++ b/src/main/resources/trees/dynamictrees/species/acacia.json
@@ -11,6 +11,6 @@
         "#is_nether": 0.75,
         "#forge:is_wet": 0.75
     },
-    "perfect_biomes": { "type": "savanna" },
+    "perfect_biomes": { "tag": "#minecraft:is_savanna" },
     "primitive_sapling": "acacia_sapling"
 }
\ No newline at end of file
diff --git a/src/main/resources/trees/dynamictrees/species/cocoa.json b/src/main/resources/trees/dynamictrees/species/cocoa.json
index 8436bb22b..cf788d6b9 100644
--- a/src/main/resources/trees/dynamictrees/species/cocoa.json
+++ b/src/main/resources/trees/dynamictrees/species/cocoa.json
@@ -16,7 +16,7 @@
         "#forge:is_hot": 1.1,
         "#forge:is_wet": 1.1
     },
-    "perfect_biomes": { "type": "jungle" },
+    "perfect_biomes": { "tag": "#minecraft:is_jungle" },
     "pods": [
         "cocoa"
     ],
diff --git a/src/main/resources/trees/dynamictrees/species/dark_oak.json b/src/main/resources/trees/dynamictrees/species/dark_oak.json
index 1bde955cd..d89cd0843 100644
--- a/src/main/resources/trees/dynamictrees/species/dark_oak.json
+++ b/src/main/resources/trees/dynamictrees/species/dark_oak.json
@@ -15,7 +15,7 @@
         "#forge:is_dry": 0.25,
         "mushroom": 1.25
     },
-    "perfect_biomes": { "type": "spooky", "name": "minecraft:.*" },
+    "perfect_biomes": { "tag": "#forge:is_spooky", "name": "minecraft:.*" },
     "primitive_sapling": "dark_oak_sapling",
     "features" : [
         {
diff --git a/src/main/resources/trees/dynamictrees/species/jungle.json b/src/main/resources/trees/dynamictrees/species/jungle.json
index 932c03e8c..17fb01448 100644
--- a/src/main/resources/trees/dynamictrees/species/jungle.json
+++ b/src/main/resources/trees/dynamictrees/species/jungle.json
@@ -13,7 +13,7 @@
         "#forge:is_hot": 1.1,
         "#forge:is_wet": 1.1
     },
-    "perfect_biomes": { "type": "jungle" },
+    "perfect_biomes": { "tag": "#minecraft:is_jungle" },
     "primitive_sapling": "jungle_sapling",
     "mega_species": "mega_jungle",
     "features" : [
diff --git a/src/main/resources/trees/dynamictrees/species/mega_jungle.json b/src/main/resources/trees/dynamictrees/species/mega_jungle.json
index fb22ee837..bed461dd2 100644
--- a/src/main/resources/trees/dynamictrees/species/mega_jungle.json
+++ b/src/main/resources/trees/dynamictrees/species/mega_jungle.json
@@ -22,7 +22,7 @@
         "#forge:is_hot": 1.1,
         "#forge:is_wet": 1.1
     },
-    "perfect_biomes": { "type": "jungle" },
+    "perfect_biomes": { "tag": "#minecraft:is_jungle" },
     "features" : [
         {
             "name": "vines",
diff --git a/src/main/resources/trees/dynamictrees/species/spruce.json b/src/main/resources/trees/dynamictrees/species/spruce.json
index 3a000e4db..a2f72c93e 100644
--- a/src/main/resources/trees/dynamictrees/species/spruce.json
+++ b/src/main/resources/trees/dynamictrees/species/spruce.json
@@ -12,7 +12,7 @@
         "#forge:is_dry": 0.25,
         "#forge:is_wet": 0.75
     },
-    "perfect_biomes": { "type": "coniferous" },
+    "perfect_biomes": { "tag": "#forge:is_coniferous" },
     "primitive_sapling": "spruce_sapling",
     "acceptable_soils": ["dirt_like"],
     "world_gen_acceptable_soils": ["snow_like"],