diff --git a/libs/libpng-src/pngconf.h b/libs/libpng-src/projects/pngconf.h
similarity index 100%
rename from libs/libpng-src/pngconf.h
rename to libs/libpng-src/projects/pngconf.h
diff --git a/src/win32/Makefile.cfg b/src/win32/Makefile.cfg
index 27926b208..63bbcfaf3 100644
--- a/src/win32/Makefile.cfg
+++ b/src/win32/Makefile.cfg
@@ -117,7 +117,7 @@ endif
 
 ifndef NOPNG
 ifndef PNG_CONFIG
-	PNG_CFLAGS?=-I../libs/libpng-src
+	PNG_CFLAGS?=-I../libs/libpng-src -I../libs/libpng-src/projects
 ifdef MINGW64
 	PNG_LDFLAGS?=-L../libs/libpng-src/projects -lpng64
 else