diff --git a/src/3rdparty/freetype/freetype.pro b/src/3rdparty/freetype/freetype.pro
index a32579e0f9a..e9436febc6b 100644
--- a/src/3rdparty/freetype/freetype.pro
+++ b/src/3rdparty/freetype/freetype.pro
@@ -67,5 +67,9 @@ contains(QT_CONFIG, system-zlib) {
     DEFINES += FT_CONFIG_OPTION_SYSTEM_ZLIB
     include($$PWD/../zlib_dependency.pri)
 }
+contains(QT_CONFIG, system-png) {
+    DEFINES += FT_CONFIG_OPTION_USE_PNG
+    include($$PWD/../png_dependency.pri)
+}
 
 DEFINES += TT_CONFIG_OPTION_SUBPIXEL_HINTING