5 files changed, 5 insertions, 5 deletions
diff --git a/pkgs/applications/misc/klayout/default.nix b/pkgs/applications/misc/klayout/default.nix
index 4348afb0205b8..34100357f5abb 100644
--- a/pkgs/applications/misc/klayout/default.nix
+++ b/pkgs/applications/misc/klayout/default.nix
@@ -45,7 +45,7 @@ mkDerivation rec {
     mv $out/lib/klayout $out/bin/
   '';
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-parentheses" ];
+  NIX_CFLAGS_COMPILE = toString [ "-Wno-parentheses" ];
 
   dontInstall = true; # Installation already happens as part of "build.sh"
 
diff --git a/pkgs/applications/misc/mysql-workbench/default.nix b/pkgs/applications/misc/mysql-workbench/default.nix
index e5e0f92ed1da4..02d702643df7e 100644
--- a/pkgs/applications/misc/mysql-workbench/default.nix
+++ b/pkgs/applications/misc/mysql-workbench/default.nix
@@ -140,7 +140,7 @@ in stdenv.mkDerivation rec {
     patchShebangs tools/get_wb_version.sh
   '';
 
-  NIX_CFLAGS_COMPILE = [
+  NIX_CFLAGS_COMPILE = toString [
     # error: 'OGRErr OGRSpatialReference::importFromWkt(char**)' is deprecated
     "-Wno-error=deprecated-declarations"
   ] ++ lib.optionals stdenv.isAarch64 [
diff --git a/pkgs/applications/misc/nut/default.nix b/pkgs/applications/misc/nut/default.nix
index 4a3025cec55c4..453af86b600dd 100644
--- a/pkgs/applications/misc/nut/default.nix
+++ b/pkgs/applications/misc/nut/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+  NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
 
   meta = with lib; {
     description = "Network UPS Tools";
diff --git a/pkgs/applications/misc/pw-viz/default.nix b/pkgs/applications/misc/pw-viz/default.nix
index f32f60bac1ac2..ce16b2ececb9b 100644
--- a/pkgs/applications/misc/pw-viz/default.nix
+++ b/pkgs/applications/misc/pw-viz/default.nix
@@ -49,7 +49,7 @@ rustPlatform.buildRustPackage rec {
 
   # enables pipewire API deprecated in 0.3.64
   # fixes error caused by https://gitlab.freedesktop.org/pipewire/pipewire-rs/-/issues/55
-  NIX_CFLAGS_COMPILE = [ "-DPW_ENABLE_DEPRECATED" ];
+  NIX_CFLAGS_COMPILE = toString [ "-DPW_ENABLE_DEPRECATED" ];
 
   meta = with lib; {
     description = "A simple and elegant pipewire graph editor ";
diff --git a/pkgs/applications/misc/tilemaker/default.nix b/pkgs/applications/misc/tilemaker/default.nix
index dd05604501e99..90d7aa4875098 100644
--- a/pkgs/applications/misc/tilemaker/default.nix
+++ b/pkgs/applications/misc/tilemaker/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation (finalAttrs: {
   cmakeFlags = lib.optional (stdenv.hostPlatform != stdenv.buildPlatform)
     "-DPROTOBUF_PROTOC_EXECUTABLE=${buildPackages.protobuf}/bin/protoc";
 
-  NIX_CFLAGS_COMPILE = [ "-DTM_VERSION=${finalAttrs.version}" ];
+  NIX_CFLAGS_COMPILE = toString [ "-DTM_VERSION=${finalAttrs.version}" ];
 
   postInstall = ''
     installManPage ../docs/man/tilemaker.1