diff --git a/.github/workflows/githubci.yml b/.github/workflows/githubci.yml
index 2cf52e6..4e7fc9c 100644
--- a/.github/workflows/githubci.yml
+++ b/.github/workflows/githubci.yml
@@ -7,11 +7,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/setup-python@v1
+    - uses: actions/setup-python@v4
       with:
         python-version: '3.x'
-    - uses: actions/checkout@v2
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
+    - uses: actions/checkout@v3
       with:
          repository: adafruit/ci-arduino
          path: ci
diff --git a/library.properties b/library.properties
index 44af19f..368a984 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=CAN Adafruit Fork
-version=1.2.0
+version=1.2.1
 author=Sandeep Mistry <sandeep.mistry@gmail.com>
 maintainer=adafruit <info@adafruit.com>
 sentence=An Arduino library for sending and receiving data using CAN bus.
diff --git a/src/CANSAME5x.cpp b/src/CANSAME5x.cpp
index 30152b1..a4f03ca 100644
--- a/src/CANSAME5x.cpp
+++ b/src/CANSAME5x.cpp
@@ -456,6 +456,8 @@ int CANSAME5x::filter(int id, int mask) {
   state->extended_rx_filter[0].XIDFE_0.bit.EFEC = CAN_XIDFE_0_EFEC_REJECT_Val;
   state->extended_rx_filter[0].XIDFE_1.bit.EFID2 = 0; // mask
   state->extended_rx_filter[0].XIDFE_1.bit.EFT = CAN_XIDFE_1_EFT_CLASSIC_Val;
+
+  return 1;
 }
 
 int CANSAME5x::filterExtended(long id, long mask) {
@@ -465,11 +467,13 @@ int CANSAME5x::filterExtended(long id, long mask) {
   state->standard_rx_filter[0].SIDFE_0.bit.SFEC = CAN_SIDFE_0_SFEC_REJECT_Val;
   state->standard_rx_filter[0].SIDFE_0.bit.SFT = CAN_SIDFE_0_SFT_CLASSIC_Val;
 
-  // reject all extended messages
+  // accept matching extended messages
   state->extended_rx_filter[0].XIDFE_0.bit.EFID1 = id;
   state->extended_rx_filter[0].XIDFE_0.bit.EFEC = CAN_XIDFE_0_EFEC_STF0M_Val;
   state->extended_rx_filter[0].XIDFE_1.bit.EFID2 = mask;
   state->extended_rx_filter[0].XIDFE_1.bit.EFT = CAN_XIDFE_1_EFT_CLASSIC_Val;
+
+  return 1;
 }
 
 int CANSAME5x::observe() {