diff --git a/src/main/kotlin/moe/kageru/kagebot/command/Command.kt b/src/main/kotlin/moe/kageru/kagebot/command/Command.kt
index bd1a82a..efdef14 100644
--- a/src/main/kotlin/moe/kageru/kagebot/command/Command.kt
+++ b/src/main/kotlin/moe/kageru/kagebot/command/Command.kt
@@ -69,10 +69,10 @@ class Command(cmd: RawCommand) {
 
 enum class MatchType {
     PREFIX {
-        override fun matches(message: String, command: Command) = message.startsWith(command.trigger)
+        override fun matches(message: String, command: Command) = message.startsWith(command.trigger, ignoreCase = true)
     },
     CONTAINS {
-        override fun matches(message: String, command: Command) = message.contains(command.trigger)
+        override fun matches(message: String, command: Command) = message.contains(command.trigger, ignoreCase = true)
     },
     REGEX {
         override fun matches(message: String, command: Command) = command.regex!!.matches(message)