diff --git a/pkgs/development/libraries/libical/default.nix b/pkgs/development/libraries/libical/default.nix
index 012a3e435dd9..48e611a34821 100644
--- a/pkgs/development/libraries/libical/default.nix
+++ b/pkgs/development/libraries/libical/default.nix
@@ -81,7 +81,8 @@ stdenv.mkDerivation rec {
 
   # Using install check so we do not have to manually set
   # LD_LIBRARY_PATH and GI_TYPELIB_PATH variables
-  doInstallCheck = true;
+  # Musl does not support TZDIR.
+  doInstallCheck = !stdenv.hostPlatform.isMusl;
   enableParallelChecking = false;
   preInstallCheck = if stdenv.isDarwin then ''
     for testexe in $(find ./src/test -maxdepth 1 -type f -executable); do