diff --git a/src/template.c b/src/template.c
index 025b2f3..2cc0cea 100644
--- a/src/template.c
+++ b/src/template.c
@@ -162,6 +162,9 @@ main(void)
 	puts(":: C bytebeat generator: runtime unit");
 	fflush(stdout);
 
+	const uintmax_t seconds = LENGTH / SAMPLE_RATE,
+		samples = LENGTH % SAMPLE_RATE;
+
 	printf(
 	  "\n"
 	  "Sample rate: " INT2STR(SAMPLE_RATE) " Hz\n"