diff --git a/java-11-openjdk.spec b/java-11-openjdk.spec
index b37ee40..8a31304 100644
--- a/java-11-openjdk.spec
+++ b/java-11-openjdk.spec
@@ -17,7 +17,12 @@
 # $ fedpkg local --without release
 #
 # Enable slowdebug builds by default on relevant arches.
+%ifarch %{arm64}
+%bcond_with slowdebug
+%else
 %bcond_without slowdebug
+%endif
+
 # Enable release builds by default on relevant arches.
 %bcond_without release