diff --git a/fieldpattern.cpp b/fieldpattern.cpp
index ecf47fa7..52f551c0 100644
--- a/fieldpattern.cpp
+++ b/fieldpattern.cpp
@@ -883,12 +883,8 @@ EX void nextPrime(fgeomextra& ex) {
   }
 
 EX void nextPrimes(fgeomextra& ex) {
-  while(true) {
-    int nodual = 0;
-    for(int a: ex.dualval) if(!a) nodual++;
-    if(nodual >= 4) break;
+  while(isize(ex.primes) < 6) 
     nextPrime(ex);
-    }
   }
 
 EX void enableFieldChange() {
diff --git a/geom-exp.cpp b/geom-exp.cpp
index 02d99b9a..803fa3f1 100644
--- a/geom-exp.cpp
+++ b/geom-exp.cpp
@@ -54,7 +54,7 @@ void showQuotientConfig() {
     dialog::addBoolItem(XLAT("order %1%2 (pure cells: %3)", its(p.p), p.squared ? "²" : "", its(p.cells)) + stars[gxcur.dualval[i]], i == gxcur.current_prime_id, 'A'+i);
     }
   
-  if(isize(gxcur.primes) < 6) {
+  if(isize(gxcur.primes) <= 6) {
     dialog::addBreak(100);
     dialog::addHelp(
       "This geometry is obtained by applying the same 'generators' which "