diff --git a/_common/library_libpng.cmake b/_common/library_libpng.cmake
index 5b2535574..56a19c80a 100644
--- a/_common/library_libpng.cmake
+++ b/_common/library_libpng.cmake
@@ -53,6 +53,7 @@ else()
             "-DCMAKE_POSITION_INDEPENDENT_CODE=ON"
             "-DDISABLE_FORCE_DEBUG_POSTFIX=ON"
             "-DCMAKE_DEBUG_POSTFIX=${PGE_LIBS_DEBUG_SUFFIX}"
+            "-DPNG_DEBUG_POSTFIX=${PGE_LIBS_DEBUG_SUFFIX}"
             ${ANDROID_CMAKE_FLAGS}
             ${APPLE_CMAKE_FLAGS}
             "-DPNG_SHARED=OFF"