diff --git a/src/cfgparse.c b/src/cfgparse.c
index 1afb49c..d7d18c6 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -2296,7 +2296,7 @@
 					mask >>= global.nbthread;
 				}
 
-				for (nbproc = 0; nbproc < LONGBITS; nbproc++) {
+				for (nbproc = 0; nbproc < MAX_PROCS; nbproc++) {
 					if (!bind_conf->bind_proc || (bind_conf->bind_proc & (1UL << nbproc)))
 						bind_conf->bind_thread[nbproc] = new_mask;
 				}