diff --git a/src/util/u_endian.h b/src/util/u_endian.h
index 7bbd7dc2153..3d5c006f353 100644
--- a/src/util/u_endian.h
+++ b/src/util/u_endian.h
@@ -67,4 +67,7 @@
 
 #endif
 
+#warn Unknown Endianness for this platform. Assuming little endian
+#define PIPE_ARCH_LITTLE_ENDIAN
+
 #endif