diff --git a/tools/install/macosx/create_lazarus_dmg.sh b/tools/install/macosx/create_lazarus_dmg.sh
index 381229c265..8fc4f9fd6e 100755
--- a/tools/install/macosx/create_lazarus_dmg.sh
+++ b/tools/install/macosx/create_lazarus_dmg.sh
@@ -158,7 +158,9 @@ find $BUILDDIR -type d -exec chmod a+x {} \;
 
 # create etc
 mkdir -p $ROOTDIR/etc/lazarus
-cp $TEMPLATEDIR/environmentoptions.xml $ROOTDIR/etc/lazarus/
+cat $TEMPLATEDIR/environmentoptions.xml | sed \
+  -e "s|_PPCARCH_|$PPCARCH|g" \
+  > $ROOTDIR/etc/lazarus/environmentoptions.xml
 
 # fill in packproj template.
 if [ -n "$EditMode" ]; then
diff --git a/tools/install/macosx/environmentoptions.xml b/tools/install/macosx/environmentoptions.xml
index e535eb05bf..bad33331b6 100644
--- a/tools/install/macosx/environmentoptions.xml
+++ b/tools/install/macosx/environmentoptions.xml
@@ -7,11 +7,11 @@
         <Item1 Value="/Developer/lazarus/"/>
       </History>
     </LazarusDirectory>
-    <CompilerFilename Value="/usr/local/bin/ppc386">
+    <CompilerFilename Value="/usr/local/bin/_PPCARCH_">
       <History Count="3">
-        <Item1 Value="/usr/local/bin/ppc386"/>
-        <Item2 Value="/usr/bin/ppc386"/>
-        <Item3 Value="/opt/fpc/ppc386"/>
+        <Item1 Value="/usr/local/bin/_PPCARCH_"/>
+        <Item2 Value="/usr/bin/_PPCARCH_"/>
+        <Item3 Value="/opt/fpc/_PPCARCH_"/>
       </History>
     </CompilerFilename>
     <FPCSourceDirectory Value="/usr/local/share/fpcsrc/">