diff -Naur opencv-4.12.0.orig/modules/imgcodecs/CMakeLists.txt opencv-4.12.0/modules/imgcodecs/CMakeLists.txt
--- opencv-4.12.0.orig/modules/imgcodecs/CMakeLists.txt	2025-10-21 21:02:21.511496864 +0200
+++ opencv-4.12.0/modules/imgcodecs/CMakeLists.txt	2025-10-21 21:07:14.741541678 +0200
@@ -37,8 +37,15 @@
 
 if(HAVE_PNG)
   add_definitions(${PNG_DEFINITIONS})
-  ocv_include_directories(${PNG_INCLUDE_DIR})
-  list(APPEND GRFMT_LIBS ${PNG_LIBRARIES})
+  if(TARGET PNG::PNG)
+    list(APPEND GRFMT_LIBS PNG::PNG)
+  else()
+    ocv_include_directories(${PNG_INCLUDE_DIR})
+    list(APPEND GRFMT_LIBS ${PNG_LIBRARIES})
+  endif()
+elseif(TARGET PNG::PNG)
+  set(HAVE_PNG TRUE)
+  list(APPEND GRFMT_LIBS PNG::PNG)
 endif()
 
 if(HAVE_GDCM)