diff --git a/gnu/packages/java.scm b/gnu/packages/java.scm
index 317aa02328..fafbb22954 100644
--- a/gnu/packages/java.scm
+++ b/gnu/packages/java.scm
@@ -167,7 +167,7 @@ This package provides the classpath library.")
     (build-system gnu-build-system)
     (arguments
      `(#:configure-flags
-       (list "--with-threading=switch" ; slower but prevents segfault
+       (list "--with-gc=gencopy" ; this seems to prevent a segfault
              "--with-internal-libffi=no"
              "--with-internal-libpopt=no")
        #:phases