diff --git a/rtl/atari/system.pas b/rtl/atari/system.pas
index 62cf110ce2..0ea4586854 100644
--- a/rtl/atari/system.pas
+++ b/rtl/atari/system.pas
@@ -766,5 +766,8 @@ begin
   errno := 0;
 { Setup command line arguments }
   argc:=GetParamCount(args);
-  initvariantmanager;
+  InitVariantManager;
+{$ifdef HASWIDESTRING}
+  InitWideStringManager;
+{$endif HASWIDESTRING}
 end.
diff --git a/rtl/emx/system.pas b/rtl/emx/system.pas
index b3cff33097..2740e9cc2b 100644
--- a/rtl/emx/system.pas
+++ b/rtl/emx/system.pas
@@ -567,7 +567,11 @@ begin
 
     InitSystemThreads;
 
-    initvariantmanager;
+    InitVariantManager;
+
+{$ifdef HASWIDESTRING}
+    InitWideStringManager;
+{$endif HASWIDESTRING}
 
     if os_Mode in [osDOS,osDPMI] then
         DosEnvInit;
diff --git a/rtl/os2/system.pas b/rtl/os2/system.pas
index 0eadfaf809..79ca313072 100644
--- a/rtl/os2/system.pas
+++ b/rtl/os2/system.pas
@@ -753,7 +753,11 @@ begin
     DefaultFileType := '';
 
     InitSystemThreads;
-    initvariantmanager;
+    InitVariantManager;
+
+{$ifdef HASWIDESTRING}
+    InitWideStringManager;
+{$endif HASWIDESTRING}
 
 {$IFDEF EXTDUMPGROW}
 {    Int_HeapSize := high (cardinal);}