diff --git a/etc/config/kotlin.amazon.properties b/etc/config/kotlin.amazon.properties
index 4129b35eaec..3e4d8a83650 100644
--- a/etc/config/kotlin.amazon.properties
+++ b/etc/config/kotlin.amazon.properties
@@ -3,7 +3,7 @@ compilerType=kotlin
 versionFlag=-version
 objdumper=/opt/compiler-explorer/jdk-18.0.0/bin/javap
 instructionSet=java
-defaultCompiler=kotlinc1700
+defaultCompiler=kotlinc1800
 demangler=
 postProcess=
 options=
@@ -12,7 +12,7 @@ needsMulti=false
 supportsExecute=true
 interpreted=true
 
-group.kotlin.compilers=kotlinc1400:kotlinc1410:kotlinc1420:kotlinc1421:kotlinc1430:kotlinc1431:kotlinc1432:kotlinc1500:kotlinc1510:kotlinc1520:kotlinc1521:kotlinc1530:kotlinc1531:kotlinc1600:kotlinc1610:kotlinc1620:kotlinc1700
+group.kotlin.compilers=kotlinc1400:kotlinc1410:kotlinc1420:kotlinc1421:kotlinc1430:kotlinc1431:kotlinc1432:kotlinc1500:kotlinc1510:kotlinc1520:kotlinc1521:kotlinc1530:kotlinc1531:kotlinc1600:kotlinc1610:kotlinc1620:kotlinc1700:kotlinc1800
 group.kotlin.groupName=Kotlin
 group.kotlin.baseName=kotlinc
 group.kotlin.isSemVer=true
@@ -87,3 +87,7 @@ compiler.kotlinc1700.exe=/opt/compiler-explorer/kotlin-jvm-1.7.0/bin/kotlinc-jvm
 compiler.kotlinc1700.semver=1.7.0
 compiler.kotlinc1700.java_home=/opt/compiler-explorer/jdk-18.0.0
 compiler.kotlinc1700.runtime=/opt/compiler-explorer/jdk-18.0.0/bin/java
+compiler.kotlinc1800.exe=/opt/compiler-explorer/kotlin-jvm-1.8.0/bin/kotlinc-jvm
+compiler.kotlinc1800.semver=1.8.0
+compiler.kotlinc1800.java_home=/opt/compiler-explorer/jdk-18.0.0
+compiler.kotlinc1800.runtime=/opt/compiler-explorer/jdk-18.0.0/bin/java