diff --git a/CHANGELOG.md b/CHANGELOG.md
index d90c7f66..41e2a921 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # 1.22 (pre-release):
 * [Change] Don't allow `KIS` to deploy or move the ground experiments.
 * [Change] Allow the small cargo to be carried by kerbal.
+* [Change] Disable the default remove helmet hotkey `J` as it conflicts with "Breaking ground" DLC.
 * [Enhancement] Add medium portable cargo to carry 6 experiments.
 
 # 1.21 (May 16th, 2019):
diff --git a/Source/ModuleKISInventory.cs b/Source/ModuleKISInventory.cs
index a14c306e..a2f33772 100644
--- a/Source/ModuleKISInventory.cs
+++ b/Source/ModuleKISInventory.cs
@@ -1931,7 +1931,7 @@ void UpdateKey() {
     }
 
     // Put/remove helmet
-    if (KIS_Shared.IsKeyDown(evaHelmetKey)) {
+    if (!string.IsNullOrEmpty(evaHelmetKey) && KIS_Shared.IsKeyDown(evaHelmetKey)) {
       // If HelmetChange event haven't fired till this momemnt, then the helmet is ON.
       helmetEquippedState = helmetEquippedState ?? true;
       SetHelmet(!helmetEquippedState.Value);
diff --git a/settings.cfg b/settings.cfg
index 9eb22e55..51ad0e18 100644
--- a/settings.cfg
+++ b/settings.cfg
@@ -64,7 +64,7 @@ KISConfig
 	{
 		inventoryKey = tab
 		rightHandKey = x
-		helmetKey = j
+		helmetKey = //j - J conflicts with Breaking Ground DLC.
 		slotsX = 2
 		slotsY = 4
 		slotSize = 50