diff --git a/compiler/testData/cli/jvm/internalArgNoWarningForEnablingBugfix.args b/compiler/testData/cli/jvm/internalArgNoWarningForEnablingBugfix.args
index 4e4f50d5f50..2d8082d8e2e 100644
--- a/compiler/testData/cli/jvm/internalArgNoWarningForEnablingBugfix.args
+++ b/compiler/testData/cli/jvm/internalArgNoWarningForEnablingBugfix.args
@@ -3,4 +3,4 @@ $TESTDATA_DIR$/simple.kt
 $TEMP_DIR$
 -language-version
 1.2
--XXLanguage:+ProhibitDataClassesOverridingCopy
\ No newline at end of file
+-XXLanguage\:+ProhibitDataClassesOverridingCopy
diff --git a/compiler/testData/cli/jvm/internalArgOverrideLanguageFeature.args b/compiler/testData/cli/jvm/internalArgOverrideLanguageFeature.args
index fc96de163fa..48437c7f784 100644
--- a/compiler/testData/cli/jvm/internalArgOverrideLanguageFeature.args
+++ b/compiler/testData/cli/jvm/internalArgOverrideLanguageFeature.args
@@ -1,5 +1,5 @@
 $TESTDATA_DIR$/inlineClass.kt
 -d
 $TEMP_DIR$
--XXLanguage:-InlineClasses
--XXLanguage:+InlineClasses
\ No newline at end of file
+-XXLanguage\:-InlineClasses
+-XXLanguage\:+InlineClasses
diff --git a/compiler/testData/cli/jvm/internalArgOverrideOffLanguageFeature.args b/compiler/testData/cli/jvm/internalArgOverrideOffLanguageFeature.args
index c62d90b2974..1406729f399 100644
--- a/compiler/testData/cli/jvm/internalArgOverrideOffLanguageFeature.args
+++ b/compiler/testData/cli/jvm/internalArgOverrideOffLanguageFeature.args
@@ -1,5 +1,5 @@
 $TESTDATA_DIR$/inlineClass.kt
 -d
 $TEMP_DIR$
--XXLanguage:+InlineClasses
--XXLanguage:-InlineClasses
\ No newline at end of file
+-XXLanguage\:+InlineClasses
+-XXLanguage\:-InlineClasses