diff -Naur unrar.orig/makefile unrar/makefile
--- unrar.orig/makefile	2022-02-22 11:43:06.000000000 +0100
+++ unrar/makefile	2022-06-29 15:30:41.787420000 +0200
@@ -157,7 +157,7 @@
 lib:	CXXFLAGS+=$(LIBFLAGS)
 lib:	clean $(OBJECTS) $(LIB_OBJ)
 	@rm -f libunrar.*
-	$(LINK) -shared -o libunrar.so $(LDFLAGS) $(OBJECTS) $(LIB_OBJ)
+	$(LINK) -shared -Wl,-soname,libunrar.so.$(libversion) -o libunrar.so.$(libversion) $(LDFLAGS) $(OBJECTS) $(LIB_OBJ)
 	$(AR) rcs libunrar.a $(OBJECTS) $(LIB_OBJ)
 
 install-unrar: