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-rw-r--r--pkgs/os-specific/linux/lttng-modules/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/os-specific/linux/lttng-modules/default.nix b/pkgs/os-specific/linux/lttng-modules/default.nix
index d4b3f374c5b..46c8dec8889 100644
--- a/pkgs/os-specific/linux/lttng-modules/default.nix
+++ b/pkgs/os-specific/linux/lttng-modules/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "pic" ];
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=implicit-function-declaration" ];
+  NIX_CFLAGS_COMPILE = "-Wno-error=implicit-function-declaration";
 
   preConfigure = ''
     export KERNELDIR="${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"