diff --git a/src/plugins/clangformat/clangformatbaseindenter.cpp b/src/plugins/clangformat/clangformatbaseindenter.cpp
index fb8e6938096..6378b2af530 100644
--- a/src/plugins/clangformat/clangformatbaseindenter.cpp
+++ b/src/plugins/clangformat/clangformatbaseindenter.cpp
@@ -42,7 +42,11 @@ void adjustFormatStyleForLineBreak(clang::format::FormatStyle &style,
                                    ReplacementsToKeep replacementsToKeep)
 {
     style.MaxEmptyLinesToKeep = 100;
+#if LLVM_VERSION_MAJOR >= 13
+    style.SortIncludes = clang::format::FormatStyle::SI_Never;
+#else
     style.SortIncludes = false;
+#endif
     style.SortUsingDeclarations = false;
 
     // This is a separate pass, don't do it unless it's the full formatting.
diff --git a/src/plugins/clangformat/clangformatutils.cpp b/src/plugins/clangformat/clangformatutils.cpp
index a249327d0ed..770e75908c8 100644
--- a/src/plugins/clangformat/clangformatutils.cpp
+++ b/src/plugins/clangformat/clangformatutils.cpp
@@ -145,7 +145,11 @@ static clang::format::FormatStyle qtcStyle()
     style.PenaltyReturnTypeOnItsOwnLine = 300;
     style.PointerAlignment = FormatStyle::PAS_Right;
     style.ReflowComments = false;
+#ifdef LLVM_VERSION_MAJOR >= 13
+    style.SortIncludes = FormatStyle::SI_CaseSensitive;
+#else
     style.SortIncludes = true;
+#endif
     style.SortUsingDeclarations = true;
     style.SpaceAfterCStyleCast = true;
     style.SpaceAfterTemplateKeyword = false;