diff --git a/mtpaint/src/png.c b/mtpaint/src/png.c
index 65dbfe1..643949b 100644
--- a/mtpaint/src/png.c
+++ b/mtpaint/src/png.c
@@ -40,7 +40,7 @@
 #endif
 #ifdef U_JP2
 #define HANDLE_JP2
-#include <openjpeg.h>
+#include <openjpeg/openjpeg.h>
 #endif
 #ifdef U_JASPER
 #define HANDLE_JP2