diff --git a/chapters/A3-protocols.tex b/chapters/A3-protocols.tex
index 5c76849..5f60621 100644
--- a/chapters/A3-protocols.tex
+++ b/chapters/A3-protocols.tex
@@ -5,7 +5,7 @@
 \begin{algorithm}[h]
 \caption{Cella di flusso con microsfere in silice
 immobilizzate}
-\label{proto:silica_beads, }
+\label{proto:silica_beads_flow_cell}
 \begin{algorithmic}[1]
     \STATE sfasdf
     \STATE fdasf