diff --git a/src/edmfd/main.cc b/src/edmfd/main.cc
index f61d773..dfbb357 100644
--- a/src/edmfd/main.cc
+++ b/src/edmfd/main.cc
@@ -68,11 +68,11 @@ void set_leds_callback(uint32_t leds) {
             button_leds[i] = desired;
         }
     }
-    log::trace("set leds to %02x %02x", button_leds[0], button_leds[1]);
+    log::trace("set leds %02x %02x", button_leds[0], button_leds[1]);
 }
 
 void test_irq_handler(unsigned pin, uint32_t events) {
-    log::debug("irq received on %d", pin);
+    log::debug("irq on %d", pin);
     irq_handler(pin, events);
     uint32_t leds = 0;
     for (unsigned i = 0; i < button_group_count; ++i)
@@ -160,7 +160,6 @@ int main(void)
     // Let timers and iterrupts handle most things
     while (1) {
         tud_task(); // tinyusb device task
-        sleep_ms(1);
     }
 }
 
diff --git a/src/logging/log.cc b/src/logging/log.cc
index bebb99c..95e40b9 100644
--- a/src/logging/log.cc
+++ b/src/logging/log.cc
@@ -15,7 +15,7 @@ namespace {
 }
 
 void log(level lv, const format &fmt, ...) {
-    printf("%20s:%-3d: %5s ", fmt.loc.file_name(), fmt.loc.line(), level_strings[int(lv)]);
+    printf("%10s:%-3d: %5s ", fmt.loc.file_name(), fmt.loc.line(), level_strings[int(lv)]);
     va_list args;
     va_start(args, fmt);
     vprintf(fmt.fmt, args);