diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 9f3f1169..bd83a26e 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -267,10 +267,26 @@ jobs:
           flutter config --enable-windows-desktop
           flutter build windows --dart-define-from-file=env.json --release --verbose
 
-      # NOTE: monero/wownero DLLs land in Release dir automatically via
-      # CMake's install(FILES ... RENAME ...) rules in windows/CMakeLists.txt
-      # — the staging step above puts them at the source paths CMake reads.
-      # No post-build copy needed.
+      # ---- Reconcile monero/wownero DLL naming for Dart FFI ----------------
+      # windows/CMakeLists.txt's install(FILES ... RENAME ...) rules produce
+      # <coin>_libwallet2_api_c.dll, but package:monero's Dart FFI loader
+      # (mrcyjanek's package) opens lib<coin>_wallet2_api_c.dll — different
+      # filename layout, runtime error "Failed to load dynamic library".
+      # Create the lib-prefixed copies so both name conventions resolve.
+      - name: Mirror monero/wownero DLLs under lib-prefixed names
+        run: |
+          set -x -e
+          DST="build/windows/x64/runner/Release"
+          for coin in monero wownero; do
+            src="$DST/${coin}_libwallet2_api_c.dll"
+            dst="$DST/lib${coin}_wallet2_api_c.dll"
+            if [[ -f "$src" ]]; then
+              cp -v "$src" "$dst"
+            else
+              echo "WARN: $src not in Release dir — CMake install may have skipped it"
+              ls "$DST" | head -20
+            fi
+          done
 
       # ---- Bundle MSVC runtime DLLs with the .exe --------------------------
       # Standalone Windows builds need msvcp140.dll + vcruntime140.dll +