diff --git a/src/os/Makefile.am b/src/os/Makefile.am | |
index 252c678..c28ad0a 100644 | |
--- a/src/os/Makefile.am | |
+++ b/src/os/Makefile.am | |
@@ -61,7 +61,7 @@ noinst_HEADERS += \ | |
if WITH_LIBZFS | |
libos_zfs_a_SOURCES = os/ZFS.cc | |
-libos_zfs_a_CXXFLAGS = ${AM_CXXFLAGS} ${LIBZFS_CFLAGS} | |
+libos_zfs_a_CXXFLAGS = ${AM_CXXFLAGS} ${LIBZFS_CFLAGS} -I/usr/include/libzfs -I/usr/include/libspl | |
noinst_LIBRARIES += libos_zfs.a | |
noinst_HEADERS += os/ZFS.h | |
endif |