diff --git a/ports/iir1/portfile.cmake b/ports/iir1/portfile.cmake
index 0cd648c67c..41dbf465fa 100644
--- a/ports/iir1/portfile.cmake
+++ b/ports/iir1/portfile.cmake
@@ -12,7 +12,7 @@ vcpkg_cmake_configure(
 
 vcpkg_cmake_install()
 
-vcpkg_cmake_config_fixup(CONFIG_PATH lib/cmake)
+vcpkg_cmake_config_fixup(PACKAGE_NAME iir CONFIG_PATH lib/cmake/iir)
 
 vcpkg_copy_pdbs()
 
diff --git a/ports/iir1/vcpkg.json b/ports/iir1/vcpkg.json
index db60d1efbf..92b672b1ea 100644
--- a/ports/iir1/vcpkg.json
+++ b/ports/iir1/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "iir1",
   "version": "1.9.0",
+  "port-version": 1,
   "description": "Realtime C++ filter library",
   "homepage": "https://github.com/berndporr/iir1",
   "license": "MIT",
diff --git a/versions/baseline.json b/versions/baseline.json
index d4647a761d..065d929022 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -2886,7 +2886,7 @@
     },
     "iir1": {
       "baseline": "1.9.0",
-      "port-version": 0
+      "port-version": 1
     },
     "ijg-libjpeg": {
       "baseline": "9d",
diff --git a/versions/i-/iir1.json b/versions/i-/iir1.json
index 0cb293f69f..9bd18e4ea1 100644
--- a/versions/i-/iir1.json
+++ b/versions/i-/iir1.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "393a498a50400c062dafdefbbbdbd3d1c3daef4a",
+      "version": "1.9.0",
+      "port-version": 1
+    },
     {
       "git-tree": "45098a249e45e71b1efa228efae07950b4499be4",
       "version": "1.9.0",