diff --git a/bukkit/src/main/java/co/aikar/commands/MinecraftMessageKeys.java b/bukkit/src/main/java/co/aikar/commands/MinecraftMessageKeys.java
index e9c242a0..e438b2e1 100644
--- a/bukkit/src/main/java/co/aikar/commands/MinecraftMessageKeys.java
+++ b/bukkit/src/main/java/co/aikar/commands/MinecraftMessageKeys.java
@@ -36,7 +36,7 @@ public enum MinecraftMessageKeys implements MessageKeyProvider {
     NO_PLAYER_FOUND
     ;
 
-    private final MessageKey key = MessageKey.of(this.name().toLowerCase());
+    private final MessageKey key = MessageKey.of("acf-minecraft." + this.name().toLowerCase());
     public MessageKey getMessageKey() {
         return key;
     }
diff --git a/bungee/src/main/java/co/aikar/commands/MinecraftMessageKeys.java b/bungee/src/main/java/co/aikar/commands/MinecraftMessageKeys.java
index 910fc5ba..af84b083 100644
--- a/bungee/src/main/java/co/aikar/commands/MinecraftMessageKeys.java
+++ b/bungee/src/main/java/co/aikar/commands/MinecraftMessageKeys.java
@@ -10,7 +10,7 @@ public enum MinecraftMessageKeys implements MessageKeyProvider {
     NO_PLAYER_FOUND
     ;
 
-    private final MessageKey key = MessageKey.of(this.name().toLowerCase());
+    private final MessageKey key = MessageKey.of("acf-minecraft." + this.name().toLowerCase());
     public MessageKey getMessageKey() {
         return key;
     }
diff --git a/core/src/main/java/co/aikar/commands/MessageKeys.java b/core/src/main/java/co/aikar/commands/MessageKeys.java
index 64716ada..9cb3a788 100644
--- a/core/src/main/java/co/aikar/commands/MessageKeys.java
+++ b/core/src/main/java/co/aikar/commands/MessageKeys.java
@@ -26,7 +26,7 @@ package co.aikar.commands;
 import co.aikar.locales.MessageKey;
 
 /**
- * Enum Name = MessageKey in lowercase
+ * Enum Name = MessageKey in lowercase prefixed with acf-core.
  */
 @SuppressWarnings("WeakerAccess")
 public enum MessageKeys implements MessageKeyProvider {
@@ -41,9 +41,10 @@ public enum MessageKeys implements MessageKeyProvider {
     MUST_BE_A_NUMBER,
     MUST_BE_MIN_LENGTH,
     MUST_BE_MAX_LENGTH,
-    NOT_ALLOWED_ON_CONSOLE, COULD_NOT_FIND_PLAYER;
+    NOT_ALLOWED_ON_CONSOLE,
+    COULD_NOT_FIND_PLAYER;
 
-    private final MessageKey key = MessageKey.of(this.name().toLowerCase());
+    private final MessageKey key = MessageKey.of("acf-core." + this.name().toLowerCase());
     public MessageKey getMessageKey() {
         return key;
     }
diff --git a/languages/core/acf-core_en.properties b/languages/core/acf-core_en.properties
index 8bac7ade..eea3f958 100644
--- a/languages/core/acf-core_en.properties
+++ b/languages/core/acf-core_en.properties
@@ -20,16 +20,16 @@
 #  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 
-permission_denied = I'm sorry, but you do not have permission to perform this command.
-error_generic_logged = An error occured. This problem has been logged. Sorry for the inconvienence.
-unknown_command = Unknown Command, please type <c2>/help</c2>
-invalid_syntax = Usage: <c2>{command}</c2> <c3>{syntax}</c3>
-error_prefix = Error: {message}
-error_performing_command = I'm sorry, but there was an error performing this command.
-info_message = {message}
-please_specify_one_of = Error: Please specify one of (<c2>{valid}</c2>).
-must_be_a_number = Error: Must be a number
-must_be_min_length = Error: Must be at least {min} characters long.
-must_be_max_length = Error: Must be less than {max} characters long.
-not_allowed_on_console = Error: Console may not execute this command.
-could_not_find_player = Error: Could not find a player by the name: <c2>{search}</c2>
+acf-core.permission_denied = I'm sorry, but you do not have permission to perform this command.
+acf-core.error_generic_logged = An error occured. This problem has been logged. Sorry for the inconvienence.
+acf-core.unknown_command = Unknown Command, please type <c2>/help</c2>
+acf-core.invalid_syntax = Usage: <c2>{command}</c2> <c3>{syntax}</c3>
+acf-core.error_prefix = Error: {message}
+acf-core.error_performing_command = I'm sorry, but there was an error performing this command.
+acf-core.info_message = {message}
+acf-core.please_specify_one_of = Error: Please specify one of (<c2>{valid}</c2>).
+acf-core.must_be_a_number = Error: Must be a number
+acf-core.must_be_min_length = Error: Must be at least {min} characters long.
+acf-core.must_be_max_length = Error: Must be less than {max} characters long.
+acf-core.not_allowed_on_console = Error: Console may not execute this command.
+acf-core.could_not_find_player = Error: Could not find a player by the name: <c2>{search}</c2>
diff --git a/languages/minecraft/acf-minecraft_en.properties b/languages/minecraft/acf-minecraft_en.properties
index e74aa595..acbea370 100644
--- a/languages/minecraft/acf-minecraft_en.properties
+++ b/languages/minecraft/acf-minecraft_en.properties
@@ -21,15 +21,15 @@
 #  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 
-invalid_world = Error: That world does not exists.
-you_must_be_holding_item = Error: You must be holding an item in your main hand.
-player_is_vanished_confirm = \
+acf-minecraft.invalid_world = Error: That world does not exists.
+acf-minecraft.you_must_be_holding_item = Error: You must be holding an item in your main hand.
+acf-minecraft.player_is_vanished_confirm = \
     Warning: <c2>{vanished}</c2> is vanished. Do not blow their cover!\n\
     To confirm your action, add <c2>:confirm</c2> to the end of their name.\n\
     Ex: <c2>{vanished}:confirm</c2>
-username_too_short = Error: Username too short, must be at least three characters.
-is_not_a_valid_name = Error: <c2>{name}</c2> is not a valid username.
-multiple_players_matched = Error: Multiple players matched <c2>{search}</c2> <c3>({all})</c3>, please be more specific.
-no_player_found_server = No player matching <c2>{search}</c2> is connected to this server.
-no_player_found = No player matching <c2>{search}</c2> could be found.
+acf-minecraft.username_too_short = Error: Username too short, must be at least three characters.
+acf-minecraft.is_not_a_valid_name = Error: <c2>{name}</c2> is not a valid username.
+acf-minecraft.multiple_players_matched = Error: Multiple players matched <c2>{search}</c2> <c3>({all})</c3>, please be more specific.
+acf-minecraft.no_player_found_server = No player matching <c2>{search}</c2> is connected to this server.
+acf-minecraft.no_player_found = No player matching <c2>{search}</c2> could be found.
 
diff --git a/sponge/src/main/java/co/aikar/commands/MinecraftMessageKeys.java b/sponge/src/main/java/co/aikar/commands/MinecraftMessageKeys.java
index e9c242a0..e438b2e1 100644
--- a/sponge/src/main/java/co/aikar/commands/MinecraftMessageKeys.java
+++ b/sponge/src/main/java/co/aikar/commands/MinecraftMessageKeys.java
@@ -36,7 +36,7 @@ public enum MinecraftMessageKeys implements MessageKeyProvider {
     NO_PLAYER_FOUND
     ;
 
-    private final MessageKey key = MessageKey.of(this.name().toLowerCase());
+    private final MessageKey key = MessageKey.of("acf-minecraft." + this.name().toLowerCase());
     public MessageKey getMessageKey() {
         return key;
     }