diff --git a/project/lib/custom/jpeg/jconfigint.h b/project/lib/custom/jpeg/jconfigint.h
index 1f32a75da..69767e917 100644
--- a/project/lib/custom/jpeg/jconfigint.h
+++ b/project/lib/custom/jpeg/jconfigint.h
@@ -23,7 +23,11 @@
 #define VERSION  "2.0.7"
 
 /* The size of `size_t', as computed by sizeof. */
+#if defined(RASPBERRYPI)
+#define SIZEOF_SIZE_T  4
+#else
 #define SIZEOF_SIZE_T  8
+#endif
 
 /* Define if your compiler has __builtin_ctzl() and sizeof(unsigned long) == sizeof(size_t). */
 #ifndef HX_WINDOWS