diff --git a/sys-libs/glibc/glibc-2.43-r2.ebuild b/sys-libs/glibc/glibc-2.43-r2.ebuild
index e037bd9d1d554..6323313f60c03 100644
--- a/sys-libs/glibc/glibc-2.43-r2.ebuild
+++ b/sys-libs/glibc/glibc-2.43-r2.ebuild
@@ -1372,6 +1372,9 @@ glibc_src_test() {
 		done
 	fi
 
+	# https://inbox.sourceware.org/libc-alpha/lhuikb5ibey.fsf@oldenburg.str.redhat.com/
+	local -x GAWK_GNU_MATCHERS=1
+
 	# sandbox does not understand unshare() and prevents
 	# writes to /proc/, which makes many tests fail
 
diff --git a/sys-libs/glibc/glibc-2.43.9999.ebuild b/sys-libs/glibc/glibc-2.43.9999.ebuild
index 15504587b514b..f73151d9b5d01 100644
--- a/sys-libs/glibc/glibc-2.43.9999.ebuild
+++ b/sys-libs/glibc/glibc-2.43.9999.ebuild
@@ -1371,6 +1371,9 @@ glibc_src_test() {
 		done
 	fi
 
+	# https://inbox.sourceware.org/libc-alpha/lhuikb5ibey.fsf@oldenburg.str.redhat.com/
+	local -x GAWK_GNU_MATCHERS=1
+
 	# sandbox does not understand unshare() and prevents
 	# writes to /proc/, which makes many tests fail
 
diff --git a/sys-libs/glibc/glibc-9999.ebuild b/sys-libs/glibc/glibc-9999.ebuild
index 15504587b514b..f73151d9b5d01 100644
--- a/sys-libs/glibc/glibc-9999.ebuild
+++ b/sys-libs/glibc/glibc-9999.ebuild
@@ -1371,6 +1371,9 @@ glibc_src_test() {
 		done
 	fi
 
+	# https://inbox.sourceware.org/libc-alpha/lhuikb5ibey.fsf@oldenburg.str.redhat.com/
+	local -x GAWK_GNU_MATCHERS=1
+
 	# sandbox does not understand unshare() and prevents
 	# writes to /proc/, which makes many tests fail