diff --git a/scripts/cpuid-queries.d b/scripts/cpuid-queries.d
old mode 100644
new mode 100755
index 138300644..9c88dcb1a
--- a/scripts/cpuid-queries.d
+++ b/scripts/cpuid-queries.d
@@ -1,3 +1,5 @@
+#!/usr/sbin/dtrace -qCs
+
 #pragma D option defaultargs
 #pragma D option quiet
 
diff --git a/scripts/vm-exit-codes.d b/scripts/vm-exit-codes.d
old mode 100644
new mode 100755
index ecbbb7344..b7f2a510a
--- a/scripts/vm-exit-codes.d
+++ b/scripts/vm-exit-codes.d
@@ -1,3 +1,5 @@
+#!/usr/sbin/dtrace -qCs
+
 #pragma D option quiet
 
 /*