diff --git a/src/nucname.cpp b/src/nucname.cpp
index 9583739fbc..ca7e3788b4 100644
--- a/src/nucname.cpp
+++ b/src/nucname.cpp
@@ -632,7 +632,7 @@ bool pyne::nucname::iselement(int nuc) {
     return false;
   }
  
-  if (n <= 10000000)
+  if (n < 10000000)
     return false;
   int zzz = znum(n);
   int aaa = anum(n);
diff --git a/tests/test_nucname.py b/tests/test_nucname.py
index 0157dbf71b..4ec94cc371 100644
--- a/tests/test_nucname.py
+++ b/tests/test_nucname.py
@@ -508,7 +508,7 @@ def test_isnuclide():
     for nuc in arent:
         yield assert_false, nucname.isnuclide(nuc)
 
-def test_iselement():
+def test_iselement_U235():
     are = [92, 'U']
     arent = [922350, 'U235']
     for nuc in are:
@@ -516,6 +516,14 @@ def test_iselement():
     for nuc in arent:
         yield assert_false, nucname.iselement(nuc)
 
+def test_iselement_H1():
+    are = [1, 'H']
+    arent = [1001, 'H1']
+    for nuc in are:
+        yield assert_true, nucname.iselement(nuc)
+    for nuc in arent:
+        yield assert_false, nucname.iselement(nuc)
+
 def test_state_id_to_id():
     assert_equal(nucname.state_id_to_id(190380015), 190380002)