diff --git a/cmd/zstream/Makefile.am b/cmd/zstream/Makefile.am
index 8506b3511..f9d0b0cfd 100644
--- a/cmd/zstream/Makefile.am
+++ b/cmd/zstream/Makefile.am
@@ -1,3 +1,5 @@
+zstream_CPPFLAGS = $(AM_CPPFLAGS) $(FORCEDEBUG_CPPFLAGS)
+
 sbin_PROGRAMS   += zstream
 CPPCHECKTARGETS += zstream