diff --git a/scripts/pblimage.c b/scripts/pblimage.c
index 73c0169..235af8a 100644
--- a/scripts/pblimage.c
+++ b/scripts/pblimage.c
@@ -61,7 +61,7 @@
 	ARCH_POWERPC,
 };
 
-enum arch architecture;
+enum arch architecture = ARCH_ARM;
 static char *rcwfile;
 static char *pbifile;
 static char *outfile;