diff --git a/packages/fcl-fpcunit/fpmake.pp b/packages/fcl-fpcunit/fpmake.pp
index 00fbe23320..16b6c0c600 100644
--- a/packages/fcl-fpcunit/fpmake.pp
+++ b/packages/fcl-fpcunit/fpmake.pp
@@ -30,7 +30,7 @@ begin
     P.Email := '';
     P.Description := 'Unit testing system inspired by JUnit of Free Component Libraries (FCL), FPC''s OOP library.';
     P.NeedLibC:= false;
-    P.OSes := P.OSes - [embedded,nativent,msdos,win16];
+    P.OSes := P.OSes - [embedded,nativent,msdos,win16,atari];
 
     P.SourcePath.Add('src');
     P.IncludePath.Add('src');
diff --git a/packages/fcl-image/fpmake.pp b/packages/fcl-image/fpmake.pp
index 89bce2242f..6b7b3c2ae9 100644
--- a/packages/fcl-image/fpmake.pp
+++ b/packages/fcl-image/fpmake.pp
@@ -28,7 +28,7 @@ begin
     P.Email := '';
     P.Description := 'Image loading and conversion parts of Free Component Libraries (FCL), FPC''s OOP library.';
     P.NeedLibC:= false;
-    P.OSes := P.OSes - [embedded,nativent,msdos,win16];
+    P.OSes := P.OSes - [embedded,nativent,msdos,win16,atari];
 
     P.SourcePath.Add('src');
     P.IncludePath.Add('src');
diff --git a/packages/fpmkunit/fpmake.pp b/packages/fpmkunit/fpmake.pp
index 182be90030..5ade493028 100644
--- a/packages/fpmkunit/fpmake.pp
+++ b/packages/fpmkunit/fpmake.pp
@@ -25,7 +25,7 @@ begin
     P.Email := '';
     P.Description := 'Basic library of the fpmake/fppkg build system.';
     P.NeedLibC:= false;  // true for headers that indirectly link to libc?
-    P.OSes := P.OSes - [embedded,nativent,msdos,win16];
+    P.OSes := P.OSes - [embedded,nativent,msdos,win16,atari];
 
     // All dependencies (including implicit) are listed
     // here to be able to update all requirements to
diff --git a/packages/sdl/fpmake.pp b/packages/sdl/fpmake.pp
index c3e797dbbd..ffbb5092a8 100644
--- a/packages/sdl/fpmake.pp
+++ b/packages/sdl/fpmake.pp
@@ -24,7 +24,7 @@ begin
     P.Dependencies.Add('morphunits',[morphos]);
     if Defaults.CPU=arm then
        P.OSes := P.OSes - [darwin];
-    P.OSes := P.OSes - [iphonesim,os2,emx,go32v2,watcom,nativent,embedded,android,amiga,aros,msdos,gba,nds,win16];
+    P.OSes := P.OSes - [iphonesim,os2,emx,go32v2,watcom,nativent,embedded,android,amiga,aros,msdos,gba,nds,win16,atari];
 
     T:=P.Targets.AddUnit('logger.pas');
       with T.Dependencies do