diff --git a/libgenlock/genlock.cpp b/libgenlock/genlock.cpp
index 2aa709a..37bcc0e 100644
--- a/libgenlock/genlock.cpp
+++ b/libgenlock/genlock.cpp
@@ -38,6 +38,10 @@
 
 #define GENLOCK_DEVICE "/dev/genlock"
 
+#ifndef USE_GENLOCK
+#define USE_GENLOCK
+#endif
+
 namespace {
     /* Internal function to map the userspace locks to the kernel lock types */
     int get_kernel_lock_type(genlock_lock_type lockType)