1 files changed, 4 insertions, 0 deletions
diff --git a/include/vm.h b/include/vm.h
index dd21d43f5260..c56cc8e7370a 100644
--- a/include/vm.h
+++ b/include/vm.h
@@ -560,9 +560,13 @@ typedef struct BcVm
 	/// The vector for creating strings to pass to the client.
 	BcVec out;
 
+#if BC_ENABLE_EXTRA_MATH
+
 	/// The PRNG.
 	BcRNG rng;
 
+#endif // BC_ENABLE_EXTRA_MATH
+
 	/// The current error.
 	BclError err;