diff --git a/pkgs/development/tools/analysis/sparse/default.nix b/pkgs/development/tools/analysis/sparse/default.nix
index 7842954cde6a..497d571cf14c 100644
--- a/pkgs/development/tools/analysis/sparse/default.nix
+++ b/pkgs/development/tools/analysis/sparse/default.nix
@@ -22,6 +22,14 @@ in stdenv.mkDerivation rec {
   doCheck = true;
   buildFlags = [ "GCC_BASE:=${GCC_BASE}" ];
 
+  # Test failures with "fortify3" on, such as:
+  # +*** buffer overflow detected ***: terminated
+  # +Aborted (core dumped)
+  # error: Actual exit value does not match the expected one.
+  # error: expected 0, got 134.
+  # error: FAIL: test 'bool-float.c' failed
+  hardeningDisable = [ "fortify3" ];
+
   passthru.tests = {
     simple-execution = callPackage ./tests.nix { };
   };