diff --git a/java/kotlin-extractor2/ke2.sh b/java/kotlin-extractor2/ke2.sh
index afb86ed0eeb..e70a570597e 100755
--- a/java/kotlin-extractor2/ke2.sh
+++ b/java/kotlin-extractor2/ke2.sh
@@ -15,6 +15,9 @@ INVOCATION_TRAP=`mktemp -p "$TRAP_DIR" invocation.XXXXXXXXXX.trap`
 
 echo "// Invocation of Kotlin Extractor 2" >> "$INVOCATION_TRAP"
 echo "#compilation = *" >> "$INVOCATION_TRAP"
+# TODO: This should be properly escaped:
+echo "compilations(#compilation, 2, \"`pwd`\",\"$INVOCATION_TRAP\")" >> "$INVOCATION_TRAP"
+# TODO: compilation_args
 
 if [[ -n "$CODEQL_JAVA_HOME" ]]; then
   JAVA="$CODEQL_JAVA_HOME/bin/java"
diff --git a/java/kotlin-extractor2/src/main/kotlin/KotlinExtractor.kt b/java/kotlin-extractor2/src/main/kotlin/KotlinExtractor.kt
index ae4d06f6580..8c913ecfe0c 100644
--- a/java/kotlin-extractor2/src/main/kotlin/KotlinExtractor.kt
+++ b/java/kotlin-extractor2/src/main/kotlin/KotlinExtractor.kt
@@ -81,7 +81,7 @@ OLD: KE1
         val diagnosticCounter = DiagnosticCounter()
         val loggerBase = LoggerBase(diagnosticCounter)
         val dtw = DiagnosticTrapWriter(loggerBase, invocationLabelManager, invocationTrapFileBW)
-        // The diganostic TRAP file has already defined #compilation = *
+        // The diagnostic TRAP file has already defined #compilation = *
         val compilation: Label<DbCompilation> = StringLabel("compilation")
         dtw.writeCompilation_started(compilation)
 /*