diff --git a/src/target/Makefile.am b/src/target/Makefile.am
index 159f0fa43..08d0db48e 100644
--- a/src/target/Makefile.am
+++ b/src/target/Makefile.am
@@ -14,7 +14,7 @@ BIN2C		= $(top_builddir)/src/helper/bin2char$(EXEEXT_FOR_BUILD)
 DEBUG_HANDLER	= $(srcdir)/xscale/debug_handler.bin
 EXTRA_DIST = \
 	startup.tcl \
-	$(DEBUG_HANDLER)
+	$(wildcard $(srcdir)/xscale/*)
 
 DEBUG_HEADER	= xscale_debug.h
 BUILT_SOURCES = $(DEBUG_HEADER)