diff --git a/libsrc/meshing/triarls.cpp b/libsrc/meshing/triarls.cpp
index 9477ac3c..e87433e7 100644
--- a/libsrc/meshing/triarls.cpp
+++ b/libsrc/meshing/triarls.cpp
@@ -304,7 +304,7 @@ const char * triarules[] = {
 "\n",\
 "elements\n",\
 "(1, 2, 4);\n",\
-"(2, 3, 4);\n",\
+"(1, 4, 3);\n",\
 "\n",\
 "endrule\n",\
 "\n",\
diff --git a/rules/triangle.rls b/rules/triangle.rls
index 2e3d29c2..a44b164e 100644
--- a/rules/triangle.rls
+++ b/rules/triangle.rls
@@ -301,7 +301,7 @@ freearea
 
 elements
 (1, 2, 4);
-(2, 3, 4);
+(1, 4, 3);
 
 endrule