diff --git a/CHANGELOG.md b/CHANGELOG.md
index a82ff3013d..8e1b5ebf2c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,9 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
 
 ##### Bug Fixes
 
-* None.  
+* Fix an issue that prevented the correct XCFramework slice from being selected for watchOS extensions  
+  [Eric Amorde](https://github.com/amorde)
+  [#9569](https://github.com/CocoaPods/CocoaPods/issues/9569)
 
 
 ## 1.9.0 (2020-02-25)
diff --git a/lib/cocoapods/generator/prepare_artifacts_script.rb b/lib/cocoapods/generator/prepare_artifacts_script.rb
index 0969ba3ac4..c5d67391aa 100644
--- a/lib/cocoapods/generator/prepare_artifacts_script.rb
+++ b/lib/cocoapods/generator/prepare_artifacts_script.rb
@@ -144,6 +144,10 @@ def script
             # Locate the correct slice of the .xcframework for the current architectures
             local target_path=""
             local target_arch="$ARCHS"
+
+            # Replace spaces in compound architectures with _ to match slice format
+            target_arch=${target_arch//\ /_}
+
             local target_variant=""
             if [[ "$PLATFORM_NAME" == *"simulator" ]]; then
               target_variant="simulator"
diff --git a/spec/cocoapods-integration-specs b/spec/cocoapods-integration-specs
index b17ac6159a..86d29b26c5 160000
--- a/spec/cocoapods-integration-specs
+++ b/spec/cocoapods-integration-specs
@@ -1 +1 @@
-Subproject commit b17ac6159aab5fd28029ce7d4a9bc423c81658ef
+Subproject commit 86d29b26c535200aca007f4bf23efa43794d5593