diff --git a/gnu/local.mk b/gnu/local.mk
index e42eeb31e31..2054a9d39a5 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1835,6 +1835,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/llvm-9-fix-bitcast-miscompilation.patch	\
   %D%/packages/patches/llvm-9-fix-lpad-miscompilation.patch	\
   %D%/packages/patches/llvm-9-fix-scev-miscompilation.patch	\
+  %D%/packages/patches/llvm-10-missing-include.patch            \
   %D%/packages/patches/llvm-13-gcc-14.patch			\
   %D%/packages/patches/lm-sensors-hwmon-attrs.patch		\
   %D%/packages/patches/lsh-fix-x11-forwarding.patch		\
diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 56bfa437e10..0accbd4503d 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -28,6 +28,7 @@
 ;;; Copyright © 2023 Hilton Chain <hako@ultrarare.space>
 ;;; Copyright © 2023-2025 Zheng Junjie <z572@z572.online>
 ;;; Copyright © 2024, 2025 Janneke Nieuwenhuizen <janneke@gnu.org>
+;;; Copyright © 2025 Andreas Enge <andreas@enge.fr>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -1002,7 +1003,8 @@ Library.")
      (origin
       (method url-fetch)
       (uri (llvm-uri "llvm" version))
-      (patches (search-patches "llvm-8-missing-include.patch"))
+      (patches (search-patches "llvm-8-missing-include.patch"
+                               "llvm-10-missing-include.patch"))
       (sha256
        (base32
         "199yq3a214avcbi4kk2q0ajriifkvsr0l2dkx3a666m033ihi1ff"))))))
@@ -1054,7 +1056,8 @@ Library.")
      (origin
       (method url-fetch)
       (uri (llvm-uri "llvm" version))
-      (patches (search-patches "llvm-8-missing-include.patch"))
+      (patches (search-patches "llvm-8-missing-include.patch"
+                               "llvm-10-missing-include.patch"))
       (sha256
        (base32
         "1wydhbp9kyjp5y0rc627imxgkgqiv3dfirbqil9dgpnbaw5y7n65"))))
diff --git a/gnu/packages/patches/llvm-10-missing-include.patch b/gnu/packages/patches/llvm-10-missing-include.patch
new file mode 100644
index 00000000000..9c56cbca420
--- /dev/null
+++ b/gnu/packages/patches/llvm-10-missing-include.patch
@@ -0,0 +1,14 @@
+Provided by tobtoht, see https://codeberg.org/guix/guix/issues/1234#issuecomment-5838284
+
+diff --git a/include/llvm/Support/Signals.h b/include/llvm/Support/Signals.h
+index e0a18e72..c66ea8b3 100644
+--- a/include/llvm/Support/Signals.h
++++ b/include/llvm/Support/Signals.h
+@@ -15,6 +15,7 @@
+ #define LLVM_SUPPORT_SIGNALS_H
+
+ #include <string>
++#include <cstdint>
+
+ namespace llvm {
+ class StringRef;