diff --git a/lib/libspl/Makefile.am b/lib/libspl/Makefile.am
index 8e0e8bd7d8..ee47ce9607 100644
--- a/lib/libspl/Makefile.am
+++ b/lib/libspl/Makefile.am
@@ -1,5 +1,7 @@
 include $(top_srcdir)/config/Rules.am
 
+AM_CFLAGS += $(DEBUG_STACKFLAGS) $(FRAME_LARGER_THAN)
+
 SUBDIRS = include $(TARGET_ASM_DIR)
 DIST_SUBDIRS = include asm-generic asm-i386 asm-x86_64