diff --git a/sys/modules/dtrace/Makefile b/sys/modules/dtrace/Makefile
index 9a67f517fc5c..3a3769b8b4b5 100644
--- a/sys/modules/dtrace/Makefile
+++ b/sys/modules/dtrace/Makefile
@@ -1,36 +1,38 @@
 .include "Makefile.inc"
 
 SUBDIR=		dtaudit		\
 		dtmalloc	\
 		dtnfscl		\
 		dtrace		\
 		dtraceall	\
 		dtrace_test	\
 		fbt		\
 		profile		\
 		prototype	\
 		systrace
 
 .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
 SUBDIR+=	fasttrap systrace_linux
 .endif
 .if ${MACHINE_CPUARCH} == "amd64"
 SUBDIR+=	systrace_linux32
 SUBDIR+=	kinst
 .endif
 .if ${MACHINE_CPUARCH} == "riscv" || ${MACHINE_CPUARCH} == "aarch64"
 SUBDIR+=	kinst
 .endif
 .if ${MACHINE_CPUARCH} == "powerpc"
 SUBDIR+=	fasttrap
 .endif
 .if ${MACHINE_CPUARCH} == "amd64" || \
     ${MACHINE_CPUARCH} == "aarch64" || \
     ${MACHINE_ARCH} == "powerpc64"
+.if !empty(COMPAT_FREEBSD32_ENABLED)
 SUBDIR+=	systrace_freebsd32
 .endif
+.endif
 .if ${MACHINE_CPUARCH} != "powerpc" || ${MACHINE_ARCH} == "powerpc64"
 SUBDIR+=	sdt
 .endif
 
 .include <bsd.subdir.mk>