diff --git a/bytebeat_compiler.py b/bytebeat_compiler.py
index 7685e43..f5600e8 100644
--- a/bytebeat_compiler.py
+++ b/bytebeat_compiler.py
@@ -211,6 +211,7 @@ if __name__ == "__main__":
 		"fp_return_type": args.floating_point,
 		"channels": args.channels,
 		"length": samples,
+		"wav_product": args.channels * samples,
 		"sequential_mode": args.mode == "sequential",
 		"block_size": args.block_size,
 		"silent_mode": args.silent,
diff --git a/src/template.c b/src/template.c
index 8e40942..aafb0a0 100644
--- a/src/template.c
+++ b/src/template.c
@@ -38,7 +38,7 @@ const char* ANSI_CLEAR = __ANSI_CLEAR_STRING;
 # endif
 #endif
 
-#define PRODUCT (LENGTH * CHANNELS)
+#define PRODUCT `wav_product`
 #define FREQUENCY_OF_STATUS_REPORTING 5000
 
 #define SEQUENTIAL_MODE `sequential_mode`