diff --git a/nbs/preprocessing.ipynb b/nbs/preprocessing.ipynb
index 79185af..91af9d5 100644
--- a/nbs/preprocessing.ipynb
+++ b/nbs/preprocessing.ipynb
@@ -183,15 +183,17 @@
     "            # minutes are represented as 'm' in numpy\n",
     "            freq = 'm'\n",
     "        elif isinstance(offset.base, pd.offsets.BusinessDay):\n",
-    "            if offset.n != 1:\n",
+    "            if n != 1:\n",
     "                raise NotImplementedError('Multiple of a business day')\n",
     "            freq = 'D'\n",
     "        elif isinstance(offset.base, pd.offsets.Hour):\n",
     "            # hours are represented as 'h' in numpy\n",
     "            freq = 'h'\n",
     "        elif isinstance(offset.base, (pd.offsets.QuarterBegin, pd.offsets.QuarterEnd)):\n",
-    "            n *= 3\n",
+    "            n = 3\n",
     "            freq = 'M'\n",
+    "        elif isinstance(offset.base, (pd.offsets.YearBegin, pd.offsets.YearEnd)):\n",
+    "            freq = 'Y'\n",
     "        if n > 1:\n",
     "            freq = freq.replace(str(n), '')\n",
     "        try:\n",
diff --git a/settings.ini b/settings.ini
index 3dd7fae..e6f4d03 100644
--- a/settings.ini
+++ b/settings.ini
@@ -1,7 +1,7 @@
 [DEFAULT]
 repo = utilsforecast
 lib_name = utilsforecast
-version = 0.1.6
+version = 0.1.7
 min_python = 3.8
 license = apache2
 black_formatting = True
diff --git a/utilsforecast/__init__.py b/utilsforecast/__init__.py
index 0a8da88..f1380ee 100644
--- a/utilsforecast/__init__.py
+++ b/utilsforecast/__init__.py
@@ -1 +1 @@
-__version__ = "0.1.6"
+__version__ = "0.1.7"
diff --git a/utilsforecast/preprocessing.py b/utilsforecast/preprocessing.py
index f864042..0ff1d2c 100644
--- a/utilsforecast/preprocessing.py
+++ b/utilsforecast/preprocessing.py
@@ -129,15 +129,17 @@ def fill_gaps(
             # minutes are represented as 'm' in numpy
             freq = "m"
         elif isinstance(offset.base, pd.offsets.BusinessDay):
-            if offset.n != 1:
+            if n != 1:
                 raise NotImplementedError("Multiple of a business day")
             freq = "D"
         elif isinstance(offset.base, pd.offsets.Hour):
             # hours are represented as 'h' in numpy
             freq = "h"
         elif isinstance(offset.base, (pd.offsets.QuarterBegin, pd.offsets.QuarterEnd)):
-            n *= 3
+            n = 3
             freq = "M"
+        elif isinstance(offset.base, (pd.offsets.YearBegin, pd.offsets.YearEnd)):
+            freq = "Y"
         if n > 1:
             freq = freq.replace(str(n), "")
         try: