diff --git a/lib/libnvpair/Makefile.am b/lib/libnvpair/Makefile.am
index 181bde9b2..8d736f7b7 100644
--- a/lib/libnvpair/Makefile.am
+++ b/lib/libnvpair/Makefile.am
@@ -31,8 +31,10 @@ libnvpair_la_LIBADD = \
 
 libnvpair_la_LIBADD += $(LIBTIRPC_LIBS) $(LTLIBINTL)
 
+libnvpair_la_LDFLAGS = -Wl,-z,defs
+
 if BUILD_FREEBSD
-libnvpair_la_LDFLAGS = -version-info 3:0:0
+libnvpair_la_LDFLAGS += -version-info 3:0:0
 else
-libnvpair_la_LDFLAGS = -version-info 1:1:0
+libnvpair_la_LDFLAGS += -version-info 1:1:0
 endif
diff --git a/lib/libuutil/Makefile.am b/lib/libuutil/Makefile.am
index fd217ff8f..099446ca2 100644
--- a/lib/libuutil/Makefile.am
+++ b/lib/libuutil/Makefile.am
@@ -21,7 +21,7 @@ libuutil_la_LIBADD = \
 
 libuutil_la_LIBADD += $(LTLIBINTL)
 
-libuutil_la_LDFLAGS = -pthread
+libuutil_la_LDFLAGS = -pthread -Wl,-z,defs
 
 if BUILD_FREEBSD
 libuutil_la_LDFLAGS += -version-info 3:0:0
diff --git a/lib/libzfs/Makefile.am b/lib/libzfs/Makefile.am
index 7e07bf1e3..5a421409c 100644
--- a/lib/libzfs/Makefile.am
+++ b/lib/libzfs/Makefile.am
@@ -83,7 +83,7 @@ libzfs_la_LIBADD += \
 
 libzfs_la_LIBADD += -lm $(LIBCRYPTO_LIBS) $(ZLIB_LIBS) $(LTLIBINTL)
 
-libzfs_la_LDFLAGS = -pthread
+libzfs_la_LDFLAGS = -pthread -Wl,-z,defs
 
 if BUILD_FREEBSD
 libzfs_la_LIBADD += -lutil -lgeom
diff --git a/lib/libzfs_core/Makefile.am b/lib/libzfs_core/Makefile.am
index 39731f312..75b46acde 100644
--- a/lib/libzfs_core/Makefile.am
+++ b/lib/libzfs_core/Makefile.am
@@ -15,7 +15,7 @@ libzfs_core_la_LIBADD = \
 
 libzfs_core_la_LIBADD += $(LTLIBINTL)
 
-libzfs_core_la_LDFLAGS = -pthread
+libzfs_core_la_LDFLAGS = -pthread -Wl,-z,defs
 
 if BUILD_FREEBSD
 libzfs_core_la_LIBADD += -lutil -lgeom
diff --git a/lib/libzpool/Makefile.am b/lib/libzpool/Makefile.am
index bce45acc2..6cbab8fee 100644
--- a/lib/libzpool/Makefile.am
+++ b/lib/libzpool/Makefile.am
@@ -207,7 +207,7 @@ libzpool_la_LIBADD = \
 
 libzpool_la_LIBADD += $(LIBCLOCK_GETTIME) $(ZLIB_LIBS) -ldl
 
-libzpool_la_LDFLAGS = -pthread
+libzpool_la_LDFLAGS = -pthread -Wl,-z,defs
 
 if BUILD_FREEBSD
 libzpool_la_LIBADD += -lgeom