diff --git a/meta-initramfs/recipes-devtools/klibc/klibc.inc b/meta-initramfs/recipes-devtools/klibc/klibc.inc
index 113459b523..6093e19b7c 100644
--- a/meta-initramfs/recipes-devtools/klibc/klibc.inc
+++ b/meta-initramfs/recipes-devtools/klibc/klibc.inc
@@ -32,6 +32,7 @@ SRC_URI[sha256sum] = "d673a294f742d59368222ff5c38462d81098c55063799de6fb8a7ba3d4
 S = "${WORKDIR}/klibc-${PV}"
 
 OPTFLAGS = "${TUNE_CCARGS} -Os -fcommon"
+OPTFLAGS:append = " ${DEBUG_PREFIX_MAP}"
 OPTFLAGS:append:toolchain-clang = " -fno-builtin-bcmp"
 OPTFLAGS:append:toolchain-clang:mipsarch = " -no-integrated-as"