diff --git a/src/template.c b/src/template.c
index be6e0be..2a0fc9a 100644
--- a/src/template.c
+++ b/src/template.c
@@ -120,20 +120,20 @@ main(void)
 	  "\n"
 	  "Sample rate: " INT2STR(SAMPLE_RATE) " Hz\n"
 	  "Channels: " INT2STR(CHANNELS)
-#if CHANNELS <= 2
+# if CHANNELS <= 2
 	    " ("
-# if CHANNELS == 2
+#  if CHANNELS == 2
 		"stereo"
-# else
+#  else
 		"mono"
-# endif
+#  endif
 	    ")"
-#endif
+# endif
 	    "\n"
 	  "Bit depth: "
-#if !IS_SIGNED
+# if !IS_SIGNED
 	    "un"
-#endif
+# endif
 	    "signed " INT2STR(BIT_DEPTH) "-bit\n"
 	  "Duration: ");
 
@@ -155,9 +155,9 @@ main(void)
 	if (samples > 0)
 		printf("%" PRIuMAX " samples", samples);
 
-#if VERBOSE_MODE || SEQUENTIAL_MODE
+# if VERBOSE_MODE || SEQUENTIAL_MODE
 	puts("\n");
-#endif
+# endif
 
 	fflush(stdout);
 #endif
@@ -306,16 +306,16 @@ main(void)
 				time >= gen_length_minus_1 /* or if writing last sample */) {
 				printf(
 				  "%sremaining samples = %18" PRIuMAX " (%3.2Lf%% done)"
-#if SEQUENTIAL_MODE
+# if SEQUENTIAL_MODE
 				  " (part %" PRIuMAX "/%" PRIuMAX ")"
-#endif
+# endif
 				  ,
 				  _ANSI_CLEAR_STRING,
 				  gen_length_minus_1 - time,
 				  ((long double) time * 100) / (long double) GEN_LENGTH
-#if SEQUENTIAL_MODE
+# if SEQUENTIAL_MODE
 				  , (uintmax_t) seq + 1, (uintmax_t) MAX
-#endif
+# endif
 				  );
 				fflush(stdout);
 			}
@@ -326,16 +326,16 @@ main(void)
 		printf(_ANSI_CLEAR_STRING);
 
 		// 5. log
-#if !(SEQUENTIAL_MODE && VERBOSE_MODE)
-#if SEQUENTIAL_MODE
+# if !(SEQUENTIAL_MODE && VERBOSE_MODE)
+#  if SEQUENTIAL_MODE
 		if (seq == 0)
-#endif
+#  endif
 			puts(
-#if !SEQUENTIAL_MODE
+#  if !SEQUENTIAL_MODE
 				"\n"
-#endif
+#  endif
 				"Writing out file " OUTPUT_FILE "...");
-#endif
+# endif
 		fflush(stdout);
 #endif
 
@@ -364,9 +364,9 @@ main(void)
 	// * end of program
 #if !SILENT_MODE
 	puts(
-#if SEQUENTIAL_MODE && VERBOSE_MODE
+# if SEQUENTIAL_MODE && VERBOSE_MODE
 		"\n"
-#endif
+# endif
 		"Done!");
 #endif