diff --git a/build/build-win32.sh b/build/build-win32.sh
index 26bc5121c6..915b3ca009 100644
--- a/build/build-win32.sh
+++ b/build/build-win32.sh
@@ -287,9 +287,9 @@ fi
 if [ $BUILD_WINAPI ]; then
   git clone "$WINAPI_URL" "$WINAPI_BASENAME"
   cd "$WINAPI_BASENAME"
-  gcc $BUILD_FLAGS -DPSAPI_VERSION=1 -o "$INSTALL_DIR/lib/lua/5.1/winapi.dll" winapi.c wutils.c -lpsapi -lmpr -llua51 \
+  gcc $BUILD_FLAGS -DPSAPI_VERSION=1 -o "$INSTALL_DIR/lib/lua/$LUAD/winapi.dll" winapi.c wutils.c -lpsapi -lmpr -llua$LUAV \
     || { echo "Error: failed to build winapi"; exit 1; }
-  [ -f "$INSTALL_DIR/lib/lua/5.1/winapi.dll" ] || { echo "Error: winapi.dll isn't found"; exit 1; }
+  [ -f "$INSTALL_DIR/lib/lua/$LUAD/winapi.dll" ] || { echo "Error: winapi.dll isn't found"; exit 1; }
   cd ..
   rm -rf "$WINAPI_BASENAME"
 fi
@@ -307,7 +307,7 @@ mkdir -p "$BIN_DIR" || { echo "Error: cannot create directory $BIN_DIR"; exit 1;
 
 [ $BUILD_LUA ] && cp "$INSTALL_DIR/bin/lua$LUAS.exe" "$INSTALL_DIR/lib/lua$LUAV.dll" "$BIN_DIR"
 [ $BUILD_WXLUA ] && cp "$INSTALL_DIR/bin/libwx.dll" "$BIN_DIR/wx.dll"
-[ $BUILD_WINAPI ] && cp "$INSTALL_DIR/lib/lua/5.1/winapi.dll" "$BIN_DIR"
+[ $BUILD_WINAPI ] && cp "$INSTALL_DIR/lib/lua/$LUAD/winapi.dll" "$BIN_DIR/clibs$LUAS"
 [ $BUILD_LUASEC ] && cp "$INSTALL_DIR/lib/lua/5.1/ssl.dll" "$BIN_DIR"
 
 if [ $BUILD_LUASOCKET ]; then