diff --git a/cmd/zstream/Makefile.am b/cmd/zstream/Makefile.am
index 8506b351165e..f9d0b0cfd2b7 100644
--- a/cmd/zstream/Makefile.am
+++ b/cmd/zstream/Makefile.am
@@ -1,21 +1,23 @@
+zstream_CPPFLAGS = $(AM_CPPFLAGS) $(FORCEDEBUG_CPPFLAGS)
+
 sbin_PROGRAMS   += zstream
 CPPCHECKTARGETS += zstream
 
 zstream_SOURCES = \
 	%D%/zstream.c \
 	%D%/zstream.h \
 	%D%/zstream_decompress.c \
 	%D%/zstream_dump.c \
 	%D%/zstream_recompress.c \
 	%D%/zstream_redup.c \
 	%D%/zstream_token.c
 
 zstream_LDADD = \
 	libzfs.la \
 	libzfs_core.la \
 	libzpool.la \
 	libnvpair.la
 
 PHONY += install-exec-hook
 install-exec-hook:
 	cd $(DESTDIR)$(sbindir) && $(LN_S) -f zstream zstreamdump