diff --git a/dev-lang/ruby/ruby-4.0.3.ebuild b/dev-lang/ruby/ruby-4.0.3-r1.ebuild
similarity index 99%
rename from dev-lang/ruby/ruby-4.0.3.ebuild
rename to dev-lang/ruby/ruby-4.0.3-r1.ebuild
index c7a940bd060f7..3adfb863e1d17 100644
--- a/dev-lang/ruby/ruby-4.0.3.ebuild
+++ b/dev-lang/ruby/ruby-4.0.3-r1.ebuild
@@ -209,6 +209,8 @@ src_configure() {
 	append-flags -fno-strict-aliasing
 	# Fails to link (gcc PR124865, gcc PR50676)
 	filter-flags -flto-partition=cache
+	# bug #972696
+	append-cppflags -DRB_THREAD_CURRENT_EC_NOINLINE
 
 	# Workaround for bug #938302
 	if use systemtap && has_version "dev-debug/systemtap[-dtrace-symlink(+)]" ; then
diff --git a/dev-lang/ruby/ruby-4.0.9999.ebuild b/dev-lang/ruby/ruby-4.0.9999.ebuild
index c7a940bd060f7..3adfb863e1d17 100644
--- a/dev-lang/ruby/ruby-4.0.9999.ebuild
+++ b/dev-lang/ruby/ruby-4.0.9999.ebuild
@@ -209,6 +209,8 @@ src_configure() {
 	append-flags -fno-strict-aliasing
 	# Fails to link (gcc PR124865, gcc PR50676)
 	filter-flags -flto-partition=cache
+	# bug #972696
+	append-cppflags -DRB_THREAD_CURRENT_EC_NOINLINE
 
 	# Workaround for bug #938302
 	if use systemtap && has_version "dev-debug/systemtap[-dtrace-symlink(+)]" ; then