diff --git a/proguard/proguard-gson.pro b/proguard/proguard-gson.pro
index cbb33e2d..1f1e0bfc 100644
--- a/proguard/proguard-gson.pro
+++ b/proguard/proguard-gson.pro
@@ -8,7 +8,9 @@
 #R8
 # - See https://r8.googlesource.com/r8/+/refs/heads/master/compatibility-faq.md
 # - See https://medium.com/@harryaung/mysterious-null-crash-with-gson-serializedname-fields-when-r8-proguard-is-on-f8a4bd036e34
--keepclassmembers,allowobfuscation class * {
+-if class *
+-keepclasseswithmembers class <1> {
+  <init>(...);
   @com.google.gson.annotations.SerializedName <fields>;
 }
--keep,allowobfuscation @interface com.google.gson.annotations.SerializedName
\ No newline at end of file
+-keep,allowobfuscation @interface com.google.gson.annotations.SerializedName