diff --git a/ide/main.pp b/ide/main.pp
index 27a3d37ea9..0d4b5d3efb 100644
--- a/ide/main.pp
+++ b/ide/main.pp
@@ -7883,6 +7883,8 @@ begin
     end;
     MainBuildBoss.SetBuildTargetIDE;
 
+    PackageGraph.ParseBasePackages;
+
     // clean up
     PkgCompileFlags:=[];
     if (not (blfDontClean in Flags))
diff --git a/packager/packagesystem.pas b/packager/packagesystem.pas
index af5e9256b7..fd11377332 100644
--- a/packager/packagesystem.pas
+++ b/packager/packagesystem.pas
@@ -2378,6 +2378,13 @@ begin
         or IsStaticBasePackage(APackage.Name)
         or (APackage.PackageType in [lptRunTime,lptRunTimeOnly])
         then continue;
+
+        if FSrcBasePackages.IndexOf(APackage.Name)>0 then
+        begin
+          debugln(['Note: (lazarus) TLazPackageGraph.SaveAutoInstallConfig: omitting base package "',APackage.Name,'"']);
+          continue;
+        end;
+
         StaticPackagesInc:=StaticPackagesInc
             +ExtractFileNameOnly(APackage.GetCompileSourceFilename)
             +','+LineEnding;
@@ -5140,7 +5147,7 @@ begin
     if (Atom='') or (Atom=')') then break;
     if Atom[1]='''' then
     begin
-      PkgName:=copy(Atom,2,length(Atom)-1);
+      PkgName:=copy(Atom,2,length(Atom)-2);
       if IsValidPkgName(PkgName) then
         FSrcBasePackages.Add(PkgName);
     end;
diff --git a/packager/pkgmanager.pas b/packager/pkgmanager.pas
index a776715532..9ad5901fe0 100644
--- a/packager/pkgmanager.pas
+++ b/packager/pkgmanager.pas
@@ -5531,6 +5531,7 @@ begin
     PkgList:=nil;
     FPMakeList:=nil;
     try
+      PackageGraph.ParseBasePackages;
 
       // check if package is designtime package
       if APackage.PackageType in [lptRunTime,lptRunTimeOnly] then begin
@@ -5703,6 +5704,8 @@ begin
       if Result<>mrOk then exit;
     end;
 
+    PackageGraph.ParseBasePackages;
+
     // remove package from auto installed packages
     if APackage.AutoInstall<>pitNope then begin
       APackage.AutoInstall:=pitNope;
@@ -5916,6 +5919,8 @@ begin
   NewFirstAutoInstallDependency:=nil;
   PkgList:=nil;
   try
+    PackageGraph.ParseBasePackages;
+
     if not (piiifClear in Flags) then
     begin
       // add existing install packages to list