diff --git a/ios/flutter_soloud.podspec b/ios/flutter_soloud.podspec
index 2876f6ae..5288b125 100644
--- a/ios/flutter_soloud.podspec
+++ b/ios/flutter_soloud.podspec
@@ -15,6 +15,11 @@ Flutter audio plugin using SoLoud library and FFI
 
   s.source           = { :path => '.' }
   s.source_files = 'flutter_soloud/Sources/flutter_soloud/*'
+  # flutter_soloud.mm is the SwiftPM wrapper that includes the full C++
+  # implementation. CocoaPods builds the same implementation through the
+  # CMake script phase below, so compiling the wrapper here defines duplicate
+  # symbols when the app also force-loads libflutter_soloud_plugin.a.
+  s.exclude_files = 'flutter_soloud/Sources/flutter_soloud/flutter_soloud.mm'
   s.dependency 'Flutter'
   s.platform = :ios, '13.0'