diff --git a/enzyme/Enzyme/FunctionUtils.cpp b/enzyme/Enzyme/FunctionUtils.cpp
index 160ccc740f8a..fdba018bd600 100644
--- a/enzyme/Enzyme/FunctionUtils.cpp
+++ b/enzyme/Enzyme/FunctionUtils.cpp
@@ -754,6 +754,16 @@ void PreProcessCache::AlwaysInline(Function *NewF) {
 
   for (auto CI : ToInline) {
     InlineFunctionInfo IFI;
+#if LLVM_VERSION_MAJOR >= 18
+    auto F = CI->getCalledFunction();
+    if (CI->getParent()->IsNewDbgInfoFormat != F->IsNewDbgInfoFormat) {
+      if (CI->getParent()->IsNewDbgInfoFormat) {
+        F->convertToNewDbgValues();
+      } else {
+        F->convertFromNewDbgValues();
+      }
+    }
+#endif
     InlineFunction(*CI, IFI);
   }
 }