diff --git a/fieldpattern.cpp b/fieldpattern.cpp
index 8cc90e0f..292ae5b7 100644
--- a/fieldpattern.cpp
+++ b/fieldpattern.cpp
@@ -409,34 +409,34 @@ vector<matrix> fpattern::generate_isometries3() {
     if(dis && dis->stop_it) return res;
     #endif
 
-  for(T[0][2]=low; T[0][2]<Prime; T[0][2]++)
-  for(T[0][3]=low; T[0][3]<Prime; T[0][3]++)
-  if(rowcol(0, 0) == 1)
-  if(rowcol(0, 1) == 0)
-  for(T[1][2]=low; T[1][2]<Prime; T[1][2]++)
-  for(T[1][3]=low; T[1][3]<Prime; T[1][3]++)
-  if(rowcol(1, 0) == 0)
-  if(rowcol(1, 1) == 1)
-  for(T[2][2]=low; T[2][2]<Prime; T[2][2]++)
-  for(T[3][2]=low; T[3][2]<Prime; T[3][2]++)
-  if(colprod(2, 2) == 1)
-  if(colprod(2, 0) == 0)
-  if(colprod(2, 1) == 0)
-  for(T[2][3]=low; T[2][3]<Prime; T[2][3]++)
-  for(T[3][3]=low; T[3][3]<Prime; T[3][3]++)
-  if(rowcol(2, 0) == 0)
-  if(rowcol(2, 1) == 0)
-  if(rowcol(2, 2) == 1)
-  // if(colprod(3, 3) == 1)
-  if(add(colprod(3, 3), 1) == 0)
-  if(colprod(3, 0) == 0)
-  if(colprod(3, 1) == 0)
-  if(colprod(3, 2) == 0)
-  if(rowcol(3, 3) == 1)
-  if(rowcol(3, 0) == 0)
-  if(rowcol(3, 1) == 0)
-  if(rowcol(3, 2) == 0)
-    res.push_back(T);
+    for(T[0][2]=low; T[0][2]<Prime; T[0][2]++)
+    for(T[0][3]=low; T[0][3]<Prime; T[0][3]++)
+    if(rowcol(0, 0) == 1)
+    if(rowcol(0, 1) == 0)
+    for(T[1][2]=low; T[1][2]<Prime; T[1][2]++)
+    for(T[1][3]=low; T[1][3]<Prime; T[1][3]++)
+    if(rowcol(1, 0) == 0)
+    if(rowcol(1, 1) == 1)
+    for(T[2][2]=low; T[2][2]<Prime; T[2][2]++)
+    for(T[3][2]=low; T[3][2]<Prime; T[3][2]++)
+    if(colprod(2, 2) == 1)
+    if(colprod(2, 0) == 0)
+    if(colprod(2, 1) == 0)
+    for(T[2][3]=low; T[2][3]<Prime; T[2][3]++)
+    for(T[3][3]=low; T[3][3]<Prime; T[3][3]++)
+    if(rowcol(2, 0) == 0)
+    if(rowcol(2, 1) == 0)
+    if(rowcol(2, 2) == 1)
+    // if(colprod(3, 3) == 1)
+    if(add(colprod(3, 3), 1) == 0)
+    if(colprod(3, 0) == 0)
+    if(colprod(3, 1) == 0)
+    if(colprod(3, 2) == 0)
+    if(rowcol(3, 3) == 1)
+    if(rowcol(3, 0) == 0)
+    if(rowcol(3, 1) == 0)
+    if(rowcol(3, 2) == 0)
+      res.push_back(T);
     if(isize(res) > limitp) return res;
     }