diff --git a/src/lib/parameters/parameters.cpp b/src/lib/parameters/parameters.cpp
index d081be7123..8a90e478ce 100644
--- a/src/lib/parameters/parameters.cpp
+++ b/src/lib/parameters/parameters.cpp
@@ -189,7 +189,7 @@ static param_t param_find_internal(const char *name, bool notification)
 
 	param_t middle;
 	param_t front = 0;
-	param_t last = param_info_count - 1;
+	param_t last = param_info_count;
 
 	/* perform a binary search of the known parameters */