diff --git a/test/bytecode_2.7/01_float.pyc b/test/bytecode_2.7/01_float.pyc
new file mode 100644
index 00000000..db9f8c70
Binary files /dev/null and b/test/bytecode_2.7/01_float.pyc differ
diff --git a/test/simple_source/expression/01_float.py b/test/simple_source/expression/01_float.py
new file mode 100644
index 00000000..93a93975
--- /dev/null
+++ b/test/simple_source/expression/01_float.py
@@ -0,0 +1,4 @@
+a = 1e300 * 1e300 * 0
+b = -1e300 * 1e300 * 0
+c = 1e300 * 1e300
+d = -1e300 * 1e300
diff --git a/uncompyle6/semantics/pysource.py b/uncompyle6/semantics/pysource.py
index ca5202c1..adb292a6 100644
--- a/uncompyle6/semantics/pysource.py
+++ b/uncompyle6/semantics/pysource.py
@@ -808,7 +808,12 @@ class SourceWalker(GenericASTTraversal, object):
 
     def n_LOAD_CONST(self, node):
         data = node.pattr; datatype = type(data)
-        if isinstance(datatype, int) and data == minint:
+        if isinstance(data, float) and str(data) in frozenset(['nan', '-nan', 'inf', '-inf']):
+            # float values 'nan' and 'inf' are not directly representable in Python at least
+            # before 3.5 and even there it is via a library constant.
+            # So we will canonicalize their representation as float('nan') and float('inf')
+            self.write("float('%s')" % data)
+        elif isinstance(datatype, int) and data == minint:
             # convert to hex, since decimal representation
             # would result in 'LOAD_CONST; UNARY_NEGATIVE'
             # change:hG/2002-02-07: this was done for all negative integers