diff --git a/core/proguard-rules.pro b/core/proguard-rules.pro
index 59f622625..d7f3c938e 100644
--- a/core/proguard-rules.pro
+++ b/core/proguard-rules.pro
@@ -18,4 +18,5 @@
 
 -dontwarn **
 -keep class com.shatteredpixel.** { *; }
--keep class com.watabou.** { *; }
\ No newline at end of file
+-keep class com.watabou.** { *; }
+-keepattributes LineNumberTable
\ No newline at end of file