diff --git a/README.md b/README.md
index 6df55d0c6f76cacadefdb6013b0fde5eee679f8d..a3c26af04bb2cc93af947847f47bd31dcd5fc293 100644
--- a/README.md
+++ b/README.md
@@ -32,9 +32,9 @@
 |3.29|[pi.js](Node/pi.js)|Node|Intel i7-8700T|December, 2018|
 |3.12|[clusterpi.js](Node/clusterpi.js)|Node, 1 worker|Intel i7-8700T|December, 2018|
 |1.78|[threadpi.c](C/threadpi.c)|C, 4 threads<br>gcc threadpi.c -o threadpi -O3 -ffast-math -pthread|Raspberry Pi 4|December, 2020|
-|0.74|[threadpi.c](C/threadpi.c)|C, 1 thread<br>gcc threadpi.c -o threadpi -O3 -ffast-math -pthread|Raspberry Pi Zero|December, 2020|
 |0.57|[pi.c](C/pi.c)|C<br>gcc pi.c -o pi -lm|Intel i7-8700T|November, 2018|
 |0.47|[numpi.py](Python/numpi.py)|Python, NumPy|Intel i7-8700T|November, 2018|
+|0.074|[threadpi.c](C/threadpi.c)|C, 1 thread<br>gcc threadpi.c -o threadpi -O3 -ffast-math -pthread|Raspberry Pi Zero|December, 2020|
 |0.029|[pi.py](Python/pi.py)|Python|Intel i7-8700T|November, 2018|
 
 |estimated GFlops|estimated GFlops/W|code|description|system|date|