diff --git a/sys/modules/dtrace/Makefile b/sys/modules/dtrace/Makefile
index 73c71c5bd1f..1ea2864ca10 100644
--- a/sys/modules/dtrace/Makefile
+++ b/sys/modules/dtrace/Makefile
@@ -29,7 +29,9 @@ SUBDIR+=	fasttrap
 .if ${MACHINE_CPUARCH} == "amd64" || \
     ${MACHINE_CPUARCH} == "aarch64" || \
     ${MACHINE_ARCH} == "powerpc64"
+.if !empty(COMPAT_FREEBSD32_ENABLED)
 SUBDIR+=	systrace_freebsd32
 .endif
+.endif
 
 .include <bsd.subdir.mk>