diff --git a/src/main_perkons.cc b/src/main_perkons.cc
index 4cbd39c..140f704 100644
--- a/src/main_perkons.cc
+++ b/src/main_perkons.cc
@@ -249,7 +249,7 @@ namespace Heck {
             clock_bar_new = clock.count_bar();
             if (clock_bar_new != clock_bar_current) {
                 clock_bar_current = clock_bar_new;
-                if (Constants::Developer::LOG_CLOCK_BAR) {
+                if constexpr (Constants::Developer::LOG_CLOCK_BAR) {
                     hw.PrintLine("Bar: %i", clock_bar_current);
                 }
             }
@@ -257,7 +257,7 @@ namespace Heck {
             clock_16n_new = clock.count_16n();
             if (clock_16n_new != clock_16n_current) {
                 clock_16n_current = clock_16n_new;
-                if (Constants::Developer::LOG_CLOCK_16N) {
+                if constexpr (Constants::Developer::LOG_CLOCK_16N) {
                     hw.PrintLine("16n: %i", clock_16n_current);
                 }
                 sequencer.next_step();