diff --git a/create_sinus_tables.py b/create_sinus_tables.py
index d8e2929..780e5f4 100755
--- a/create_sinus_tables.py
+++ b/create_sinus_tables.py
@@ -62,7 +62,9 @@ void sendZero(uint32_t *us, uint8_t *phaseShift) {{
 }}
 
 void setZero() {{
-  OUT_PORT = (pgm_read_byte(&SINUS2200[0]) >> 4) | (OUT_PORT & 0xf0);
+  // Setting all to LOW rather than what 0b1000000 (which would be a signal amplitude of 0) saves about 2mA @ R = 550 ohms
+  //OUT_PORT = (pgm_read_byte(&SINUS2200[0]) >> 4) | (OUT_PORT & 0xf0);
+  OUT_PORT &= 0xf0;
 }}
 
 ''')
diff --git a/include/afsk_sinus.hpp b/include/afsk_sinus.hpp
index 2e45b66..d99400d 100644
--- a/include/afsk_sinus.hpp
+++ b/include/afsk_sinus.hpp
@@ -37,6 +37,8 @@ void sendZero(uint32_t *us, uint8_t *phaseShift) {
 }
 
 void setZero() {
-  OUT_PORT = (pgm_read_byte(&SINUS2200[0]) >> 4) | (OUT_PORT & 0xf0);
+  // Setting all to LOW rather than what 0b1000000 (which would be a signal amplitude of 0) saves about 2mA @ R = 550 ohms
+  //OUT_PORT = (pgm_read_byte(&SINUS2200[0]) >> 4) | (OUT_PORT & 0xf0);
+  OUT_PORT &= 0xf0;
 }