diff --git a/src/tools/clangbackend/source/clangbackend_global.h b/src/tools/clangbackend/source/clangbackend_global.h
index 927141e01f3..e0cd0a35739 100644
--- a/src/tools/clangbackend/source/clangbackend_global.h
+++ b/src/tools/clangbackend/source/clangbackend_global.h
@@ -37,7 +37,7 @@ enum class PreferredTranslationUnit
 };
 
 // CLANG-UPGRADE-CHECK: Remove IS_PRETTY_DECL_SUPPORTED once we require clang >= 7.0
-#if defined(CINDEX_VERSION_HAS_PRETTYDECL_BACKPORTED) || CINDEX_VERSION_MINOR >= 47
+#if defined(CINDEX_VERSION_HAS_PRETTYDECL_BACKPORTED) || CINDEX_VERSION_MINOR >= 46
 #  define IS_PRETTY_DECL_SUPPORTED
 #endif