diff --git a/main.c b/main.c
index 488643c..15bc906 100644
--- a/main.c
+++ b/main.c
@@ -6,7 +6,7 @@
 #include "mmpriv.h"
 #include "getopt.h"
 
-#define MM_VERSION "2.6-r638-dirty"
+#define MM_VERSION "2.6-r639-dirty"
 
 #ifdef __linux__
 #include <sys/resource.h>
diff --git a/map.c b/map.c
index 0d98439..6574f54 100644
--- a/map.c
+++ b/map.c
@@ -117,18 +117,16 @@ int mm_set_opt(const char *preset, mm_idxopt_t *io, mm_mapopt_t *mo)
 
 int mm_check_opt(const mm_idxopt_t *io, const mm_mapopt_t *mo)
 {
-	/*
-	if (mo->a + 2 * (mo->q + mo->e) > 127 || mo->a + 2 * (mo->q2 + mo->e2) > 127) {
-		if (mm_verbose >= 1)
-			fprintf(stderr, "[ERROR]\033[1;31m scoring system violating {-A}+2*({-O}+{-E}) <= 127\033[0m\n");
-		return -1;
-	}
 	if ((mo->q != mo->q2 || mo->e != mo->e2) && !(mo->e > mo->e2 && mo->q + mo->e < mo->q2 + mo->e2)) {
 		if (mm_verbose >= 1)
 			fprintf(stderr, "[ERROR]\033[1;31m dual gap penalties violating E1>E2 and O1+E1<O2+E2\033[0m\n");
 		return -2;
 	}
-	*/
+	if ((mo->q + mo->e) + (mo->q2 + mo->e2) > 127) {
+		if (mm_verbose >= 1)
+			fprintf(stderr, "[ERROR]\033[1;31m scoring system violating ({-O}+{-E})+({-O2}+{-E2}) <= 127\033[0m\n");
+		return -1;
+	}
 	return 0;
 }