3 files changed, 3 insertions, 3 deletions
diff --git a/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix b/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix
index 40681faae8ae8..d03419e96570e 100644
--- a/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix
+++ b/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix
@@ -80,7 +80,7 @@ let result = stdenv.mkDerivation rec {
     in requireFile {
       name = "jdk-${productVersion}u${patchVersion}-${platformName}.tar.gz";
       url = "http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html";
-      sha256 = sha256.${stdenv.hostPlatform.system};
+      sha256 = sha256.${stdenv.hostPlatform.system} or (throw "unsupported system ${stdenv.hostPlatform.system}");
     };
 
   nativeBuildInputs = [ file makeWrapper ]
diff --git a/pkgs/development/compilers/temurin-bin/jdk-darwin-base.nix b/pkgs/development/compilers/temurin-bin/jdk-darwin-base.nix
index 14871813273dd..8f6831a7907c8 100644
--- a/pkgs/development/compilers/temurin-bin/jdk-darwin-base.nix
+++ b/pkgs/development/compilers/temurin-bin/jdk-darwin-base.nix
@@ -24,7 +24,7 @@ let
       sourcePerArch.${cpuName}.version or (throw "unsupported CPU ${cpuName}");
 
     src = fetchurl {
-      inherit (sourcePerArch.${cpuName}) url sha256;
+      inherit (sourcePerArch.${cpuName} or (throw "unsupported system ${stdenv.hostPlatform.system}")) url sha256;
     };
 
     # See: https://github.com/NixOS/patchelf/issues/10
diff --git a/pkgs/development/libraries/libcef/default.nix b/pkgs/development/libraries/libcef/default.nix
index d6d098110af8f..ce83c3c22cd4b 100644
--- a/pkgs/development/libraries/libcef/default.nix
+++ b/pkgs/development/libraries/libcef/default.nix
@@ -73,7 +73,7 @@ let
   platforms."aarch64-linux".sha256 = "16sbfk599h96wcsmpbxlwsvq0n1pssmm8dpwmjsqfrn1464dvs68";
   platforms."x86_64-linux".sha256 = "1wa4nv28saz96kar9svdarfz6c4rnbcqz0rqxzl9zclnhfzhqdiw";
 
-  platformInfo = builtins.getAttr stdenv.hostPlatform.system platforms;
+  platformInfo = platforms.${stdenv.hostPlatform.system} or (throw "unsupported system ${stdenv.hostPlatform.system}");
 in
 stdenv.mkDerivation rec {
   pname = "cef-binary";