diff --git a/changelog.txt b/changelog.txt
index 4776b1d..14e25aa 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 2.1.2
+Date: 2025-01-20
+  Changes:
+    - Space Age: Solder can be made in electromagnetic plant
+---------------------------------------------------------------------------------------------------
 Version: 2.1.1
 Date: 2025-01-17
   Changes:
diff --git a/info.json b/info.json
index 603dfa9..5d5e60e 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bztin",
-    "version": "2.1.1",
+    "version": "2.1.2",
     "factorio_version": "2.0",
     "title": "Tin",
     "author": "Brevven",
diff --git a/tin-recipe.lua b/tin-recipe.lua
index 667bdfe..84c303c 100644
--- a/tin-recipe.lua
+++ b/tin-recipe.lua
@@ -78,7 +78,7 @@ data:extend({
   {
     type = "recipe",
     name = "solder",
-    category = "crafting",
+    category = mods["space-age"] and "electronics" or "crafting",
     order = "d[solder]",
     enabled = true,
     energy_required = 1,