diff --git a/app/src/main/java/io/pslab/activity/WaveGeneratorActivity.java b/app/src/main/java/io/pslab/activity/WaveGeneratorActivity.java
index 3f492a731..75a1bbb72 100644
--- a/app/src/main/java/io/pslab/activity/WaveGeneratorActivity.java
+++ b/app/src/main/java/io/pslab/activity/WaveGeneratorActivity.java
@@ -883,21 +883,21 @@ private void setSeekBar(IndicatorSeekBar seekBar) {
             case FREQUENCY:
                 seekMin = WaveData.FREQ_MIN.getValue();
                 seekMax = WaveData.FREQ_MAX.getValue();
-                numTicks = 100;
+                numTicks = 50;
                 leastCount = 1;
                 break;
 
             case PHASE:
                 seekMin = WaveData.PHASE_MIN.getValue();
                 seekMax = WaveData.PHASE_MAX.getValue();
-                numTicks = 73;
+                numTicks = 50;
                 leastCount = 1;
                 break;
 
             case DUTY:
                 seekMin = WaveData.DUTY_MIN.getValue();
                 seekMax = WaveData.DUTY_MAX.getValue();
-                numTicks = 100;
+                numTicks = 50;
                 leastCount = 1;
                 unit = getString(R.string.unit_percent);
                 break;
@@ -905,7 +905,7 @@ private void setSeekBar(IndicatorSeekBar seekBar) {
             default:
                 seekMin = 0;
                 seekMax = 5000;
-                numTicks = 51;
+                numTicks = 50;
                 leastCount = 1;
         }