diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index dd6a8dcd6..8d080acc3 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -163,6 +163,7 @@ set(PNG_TOOLS OFF CACHE BOOL "" FORCE)
 set(SKIP_INSTALL_ALL OFF CACHE BOOL "" FORCE)
 set(ZLIB_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/zlib-ng" CACHE STRING "" FORCE)
 set(ZLIB_LIBRARY "${CMAKE_CURRENT_BINARY_DIR}/zlib-ng/zlibstatic-ngd" CACHE STRING "" FORCE)
+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/libpng/zlib.h" "#include \"../zlib-ng/zlib.h\"")
 add_subdirectory(libpng)
 
 if (APPLE)
diff --git a/src/core/file_format/pkg.cpp b/src/core/file_format/pkg.cpp
index 1aac2f7a7..a6b5eb9a8 100644
--- a/src/core/file_format/pkg.cpp
+++ b/src/core/file_format/pkg.cpp
@@ -7,8 +7,7 @@
 #include "core/file_format/pkg.h"
 #include "core/file_format/pkg_type.h"
 
-static void DecompressPFSC(std::span<char> compressed_data,
-                           std::span<char> decompressed_data) {
+static void DecompressPFSC(std::span<char> compressed_data, std::span<char> decompressed_data) {
     z_stream decompressStream;
     decompressStream.zalloc = Z_NULL;
     decompressStream.zfree = Z_NULL;