diff --git a/src/template.c b/src/template.c
index c00ecce..acf5632 100644
--- a/src/template.c
+++ b/src/template.c
@@ -122,6 +122,8 @@ main(void)
 	}
 
 	// * bytebeat generating loop
+	const uintmax_t product_minus_1 = PRODUCT - 1;
+
 	for (size_t w = 0; w < PRODUCT; w++) {
 		// 1. generate audio data
 		long double bytebeat_res = bytebeat((long double)w);
@@ -146,11 +148,11 @@ main(void)
 		// 6. log
 #if VERBOSE_MODE
 		if (w % FREQUENCY_OF_STATUS_REPORTING == 0 ||
-			w >= (PRODUCT - 1) /* or if writing last sample */) {
+			w >= product_minus_1 /* or if writing last sample */) {
 			printf(
 			  "%sremaining samples = %18" PRIuMAX " (%.2Lf%% done)",
 			  ANSI_CLEAR,
-			  PRODUCT - w - 1,
+			  product_minus_1 - w,
 			  ((long double) w * 100) / (long double) PRODUCT);
 			fflush(stdout);
 		}