diff --git a/numerizer/numerizer.py b/numerizer/numerizer.py
index 8bc3a09..eb6b0fa 100644
--- a/numerizer/numerizer.py
+++ b/numerizer/numerizer.py
@@ -204,8 +204,15 @@ def _repl_big_prefixes(m):
                         try:
                             group_1_numberized = int(m.group(1))
                         except ValueError:
-                            group_1_numberized = float(m.group(1))
-                        repl = '<num>' + str(int(v * group_1_numberized))
+                            try:
+                                group_1_numberized = float(m.group(1))
+                            except ValueError:
+                                # Fallback in case group_1 is unparseable like ". million"
+                                group_1_numberized = None
+                        if group_1_numberized is not None:
+                            repl = "<num>" + str(int(v * group_1_numberized))
+                        else:
+                            repl = str(v)
                     else:
                         repl = str(v)
                 except IndexError:
diff --git a/test_numerize.py b/test_numerize.py
index 4a7fffb..3072509 100644
--- a/test_numerize.py
+++ b/test_numerize.py
@@ -80,7 +80,7 @@ def test_straight_parsing():
         99_999: "ninety nine thousand nine hundred ninety nine",
         100_000: "100 thousand",
         250_000: "two hundred fifty thousand",
-        1_000_000: ["one million", "1.0 million"],
+        1_000_000: ["one million", "1.0 million", ". Million"],
         1_200_000: "1.2 million",
         1_250_007: "one million two hundred fifty thousand and seven",
         1_000_000_000: "one billion",