diff --git a/packstack/installer/processors.py b/packstack/installer/processors.py
index 948abbed6..3ef124849 100644
--- a/packstack/installer/processors.py
+++ b/packstack/installer/processors.py
@@ -121,3 +121,17 @@ def process_password(param, param_name, config=None):
             else:
                 param = process_password.pw_dict[param_name]
     return param
+
+
+def process_string_nofloat(param, param_name, config=None):
+    """
+    Process a string, making sure it is *not* convertible into a float
+    If it is, change it into a random 16 char string, and check again
+    """
+    while True:
+        try:
+            float(param)
+        except ValueError:
+            return param
+        else:
+            param = uuid.uuid4().hex[:16]
diff --git a/packstack/plugins/heat_650.py b/packstack/plugins/heat_650.py
index c7e4fe7f4..90bcb154e 100644
--- a/packstack/plugins/heat_650.py
+++ b/packstack/plugins/heat_650.py
@@ -57,6 +57,7 @@ def initConfig(controller):
          "OPTION_LIST": [],
          "VALIDATORS": [validators.validate_not_empty],
          "DEFAULT_VALUE": uuid.uuid4().hex[:16],
+         "PROCESSORS": [processors.process_string_nofloat],
          "MASK_INPUT": True,
          "LOOSE_VALIDATION": False,
          "CONF_NAME": "CONFIG_HEAT_AUTH_ENC_KEY",