diff --git a/cddl/lib/libicp/Makefile b/cddl/lib/libicp/Makefile
index 4fc17916d1d..d00a47f2529 100644
--- a/cddl/lib/libicp/Makefile
+++ b/cddl/lib/libicp/Makefile
@@ -116,4 +116,6 @@ CFLAGS.b3_ppc64le_sse2.S = -DLOCORE
 CFLAGS.b3_ppc64le_sse41.S = -DLOCORE
 
 
+LDFLAGS.bfd+= -Wl,-znoexecstack
+
 .include <bsd.lib.mk>
diff --git a/cddl/lib/libicp_rescue/Makefile b/cddl/lib/libicp_rescue/Makefile
index 1237b1b05ed..6c6c3998f85 100644
--- a/cddl/lib/libicp_rescue/Makefile
+++ b/cddl/lib/libicp_rescue/Makefile
@@ -109,4 +109,6 @@ CFLAGS.b3_ppc64le_sse2.S = -DLOCORE
 CFLAGS.b3_ppc64le_sse41.S = -DLOCORE
 
 
+LDFLAGS.bfd+= -Wl,-znoexecstack
+
 .include <bsd.lib.mk>