diff --git a/tests/test/tstring10.pp b/tests/test/tstring10.pp
index 905a7dda53..81c99d9558 100644
--- a/tests/test/tstring10.pp
+++ b/tests/test/tstring10.pp
@@ -2,7 +2,7 @@ program punicodechartest;
 {$ifdef FPC}{$mode objfpc}{$h+}{$endif}
 {$ifdef mswindows}{$apptype console}{$endif}
 uses
- {$ifdef FPC}{$ifdef linux}cthreads,{$endif}{$endif}
+ {$ifdef FPC}{$ifdef unix}cthreads,{$endif}{$endif}
  sysutils;
 var
  astr: ansistring;
diff --git a/tests/test/units/classes/tsetstream.pp b/tests/test/units/classes/tsetstream.pp
index 82536662f7..e2f6023dfe 100644
--- a/tests/test/units/classes/tsetstream.pp
+++ b/tests/test/units/classes/tsetstream.pp
@@ -2,7 +2,7 @@ program storedfalse;
 {$ifdef FPC}{$mode objfpc}{$h+}{$INTERFACES CORBA}{$endif}
 {$ifdef mswindows}{$apptype console}{$endif}
 uses
- {$ifdef FPC}{$ifdef linux}cthreads,{$endif}{$endif}
+ {$ifdef FPC}{$ifdef unix}cthreads,{$endif}{$endif}
  sysutils,classes;
 
 type
diff --git a/tests/test/units/dos/tdos.pp b/tests/test/units/dos/tdos.pp
index f148de737a..27edb70b75 100644
--- a/tests/test/units/dos/tdos.pp
+++ b/tests/test/units/dos/tdos.pp
@@ -145,7 +145,7 @@ begin
   Writeln('Expanded ../dos/./../././dos.pp : ',FExpand('../dos/./../././dos.pp'));
 
   test:='../;/usr/;/usr/bin/;/usr/bin;/bin/;';
-{$else not linux }
+{$else not unix }
   test:='\usr\local\bin\ppc.so';
   writeln('FSplit(',test,')');
   FSplit(test,dir,name,ext);
@@ -165,7 +165,7 @@ begin
   Writeln('Expanded ..\dos\.\..\.\.\dos.pp : ',FExpand('..\dos\.\..\.\.\dos.pp'));
 
   test:='..\;\usr\;\usr\bin\;\usr\bin;\bin\;';
-{$endif not linux}
+{$endif not unix}
   test:=test+getenv('PATH');
 {$ifdef NOEXESUFFIX}
   Writeln('FSearch ls: ',FSearch('ls',test));
diff --git a/tests/test/units/dos/tidos.pp b/tests/test/units/dos/tidos.pp
index bdc48b5c20..4d1953ce92 100644
--- a/tests/test/units/dos/tidos.pp
+++ b/tests/test/units/dos/tidos.pp
@@ -154,7 +154,7 @@ begin
   Writeln('Expanded ../dos/./../././dos.pp : ',FExpand('../dos/./../././dos.pp'));
 
   test:='../;/usr/;/usr/bin/;/usr/bin;/bin/;';
-{$else not linux }
+{$else not unix }
   test:='\usr\local\bin\ppc.so';
   writeln('FSplit(',test,')');
   FSplit(test,dir,name,ext);
@@ -174,7 +174,7 @@ begin
   Writeln('Expanded ..\dos\.\..\.\.\dos.pp : ',FExpand('..\dos\.\..\.\.\dos.pp'));
 
   test:='..\;\usr\;\usr\bin\;\usr\bin;\bin\;';
-{$endif not linux}
+{$endif not unix}
   test:=test+getenv('PATH');
 {$ifdef NOEXESUFFIX}
   Writeln('FSearch ls: ',FSearch('ls',test));