diff --git a/pkgs/by-name/va/valgrind/package.nix b/pkgs/by-name/va/valgrind/package.nix
index 4d09b6c7acd8..25bc383f0ecb 100644
--- a/pkgs/by-name/va/valgrind/package.nix
+++ b/pkgs/by-name/va/valgrind/package.nix
@@ -30,6 +30,11 @@ stdenv.mkDerivation rec {
       url = "https://bugsfiles.kde.org/attachment.cgi?id=186451";
       hash = "sha256-IGmyHwwGoy00hcz3XxQSDcwcU8zHLBJ9dfqTvWDQ520=";
     })
+    (fetchpatch {
+      name = "reallocarray-test-musl.patch";
+      url = "https://sourceware.org/git/?p=valgrind.git;a=patch;h=991961ece87e4cdc0771a05c956c55baa437bb07";
+      hash = "sha256-U16384rLXMhLE5Em9z8FKYbshPlnq8l9ejC2+epL7M4=";
+    })
 
     # Fix build on armv7l.
     # see also https://bugs.kde.org/show_bug.cgi?id=454346