diff --git a/src/core/internal/array/appending.d b/src/core/internal/array/appending.d
index a722f77790..616d27cfe8 100644
--- a/src/core/internal/array/appending.d
+++ b/src/core/internal/array/appending.d
@@ -30,12 +30,14 @@ template _d_arrayappendcTXImpl(Tarr : T[], T)
      * Returns:
      *  The new value of `px`
      * Bugs:
-    *   This function template was ported from a much older runtime hook that bypassed safety,
-    *   purity, and throwabilty checks. To prevent breaking existing code, this function template
-    *   is temporarily declared `@trusted pure` until the implementation can be brought up to modern D expectations.
+     *  This function template was ported from a much older runtime hook that bypassed safety,
+     *  purity, and throwabilty checks. To prevent breaking existing code, this function template
+     *  is temporarily declared `@trusted pure` until the implementation can be brought up to modern D expectations.
      */
     ref Tarr _d_arrayappendcTX(return ref scope Tarr px, size_t n) @trusted pure nothrow
     {
+        // needed for CTFE: https://github.com/dlang/druntime/pull/3870#issuecomment-1178800718
+        pragma(inline, false);
         version (D_TypeInfo)
         {
             auto ti = typeid(Tarr);