diff --git a/ext/pgsql/pgsql.c b/ext/pgsql/pgsql.c
index 7cf0d5942dc..a2bdda0072c 100644
--- a/ext/pgsql/pgsql.c
+++ b/ext/pgsql/pgsql.c
@@ -1713,7 +1713,9 @@ static void _php_pgsql_free_params(char **params, int num_params)
 	if (num_params > 0) {
 		int i;
 		for (i = 0; i < num_params; i++) {
-			efree(params[i]);
+			if (params[i]) {
+				efree(params[i]);
+			}
 		}
 		efree(params);
 	}