diff --git a/pkgs/development/libraries/rabbitmq-c/default.nix b/pkgs/development/libraries/rabbitmq-c/default.nix
index 13c0198ba50..c841d82ccce 100644
--- a/pkgs/development/libraries/rabbitmq-c/default.nix
+++ b/pkgs/development/libraries/rabbitmq-c/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     description = "RabbitMQ C AMQP client library";
     homepage = https://github.com/alanxz/rabbitmq-c;
     license = licenses.mit;
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     maintainers = with maintainers; [ wkennington ];
   };
 }
diff --git a/pkgs/servers/mail/dovecot/plugins/pigeonhole/default.nix b/pkgs/servers/mail/dovecot/plugins/pigeonhole/default.nix
index af9ff3b257b..e98c58c891a 100644
--- a/pkgs/servers/mail/dovecot/plugins/pigeonhole/default.nix
+++ b/pkgs/servers/mail/dovecot/plugins/pigeonhole/default.nix
@@ -33,6 +33,6 @@ stdenv.mkDerivation rec {
     description = "A sieve plugin for the Dovecot IMAP server";
     license = licenses.lgpl21;
     maintainers = [ maintainers.rickynils ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/tools/misc/plantuml/default.nix b/pkgs/tools/misc/plantuml/default.nix
index 447ef9dd5ec..2eb6f1aa8e6 100644
--- a/pkgs/tools/misc/plantuml/default.nix
+++ b/pkgs/tools/misc/plantuml/default.nix
@@ -32,6 +32,6 @@ stdenv.mkDerivation rec {
     # "java -jar plantuml.jar -license" says GPLv3 or later
     license = licenses.gpl3Plus;
     maintainers = [ maintainers.bjornfor ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/tools/security/paperkey/default.nix b/pkgs/tools/security/paperkey/default.nix
index eba707b7d07..1c235c9d883 100644
--- a/pkgs/tools/security/paperkey/default.nix
+++ b/pkgs/tools/security/paperkey/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     '';
     homepage = http://www.jabberwocky.com/software/paperkey/;
     license = licenses.gpl2;
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     maintainers = with maintainers; [ skeidel ];
   };
 }
diff --git a/pkgs/tools/security/srm/default.nix b/pkgs/tools/security/srm/default.nix
index fd81933fb58..9782d00267f 100644
--- a/pkgs/tools/security/srm/default.nix
+++ b/pkgs/tools/security/srm/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     homepage = http://srm.sourceforge.net;
     license = licenses.mit;
     maintainers = with maintainers; [ edwtjo ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 
-}
\ No newline at end of file
+}