diff --git a/lib/libspl/include/sys/sdt.h b/lib/libspl/include/sys/sdt.h
index 0c9a22cdf2..79733eef0f 100644
--- a/lib/libspl/include/sys/sdt.h
+++ b/lib/libspl/include/sys/sdt.h
@@ -27,6 +27,7 @@
 #ifndef _LIBSPL_SYS_SDT_H
 #define _LIBSPL_SYS_SDT_H
 
+#define DTRACE_PROBE(a)                  ((void) 0)
 #define DTRACE_PROBE1(a,b,c)             ((void) 0)
 #define DTRACE_PROBE2(a,b,c,d,e)         ((void) 0)
 #define DTRACE_PROBE3(a,b,c,d,e,f,g)     ((void) 0)