diff --git a/Resources/Changelog/Parts/vapor.yml b/Resources/Changelog/Parts/vapor.yml
new file mode 100644
index 0000000000..8b142113e4
--- /dev/null
+++ b/Resources/Changelog/Parts/vapor.yml
@@ -0,0 +1,4 @@
+author: Zumorica
+changes:
+  - type: Fix
+    message: Fixes water vapor reaction removing oxygen instead of water vapor.
diff --git a/Resources/Prototypes/Atmospherics/reactions.yml b/Resources/Prototypes/Atmospherics/reactions.yml
index f5aca16420..7062ba849d 100644
--- a/Resources/Prototypes/Atmospherics/reactions.yml
+++ b/Resources/Prototypes/Atmospherics/reactions.yml
@@ -36,5 +36,5 @@
     - 1  # water vapor
   effects:
     - !type:WaterVaporReaction
-      gasId: 5
+      gas: 5
       reagent: chem.Water