diff --git a/plotkicadsch/src/git-imgdiff b/plotkicadsch/src/git-imgdiff
index cbddecb..8d21a8a 100755
--- a/plotkicadsch/src/git-imgdiff
+++ b/plotkicadsch/src/git-imgdiff
@@ -1,4 +1,4 @@
 #!/bin/bash
 PIPE=$(mktemp -u)
-(! compare -metric RMSE $2 $1 png:${PIPE} 2> /dev/null) &&  (montage -geometry +4+4 $2 $PIPE $1 png:- | display -title "$1" -)
+(! @imagemagick@/bin/compare -metric RMSE $2 $1 png:${PIPE} 2> /dev/null) &&  (@imagemagick@/bin/montage -geometry +4+4 $2 $PIPE $1 png:- | @imagemagick@/bin/display -title "$1" -)
 rm $PIPE
diff --git a/plotkicadsch/src/sysAbst.ml b/plotkicadsch/src/sysAbst.ml
index c3c7b52..15db6d4 100644
--- a/plotkicadsch/src/sysAbst.ml
+++ b/plotkicadsch/src/sysAbst.ml
@@ -30,7 +30,7 @@ let detect_os () : os =
   if Sys.win32 then Windows
   else if Sys.cygwin then Cygwin
   else
-    let ((in_ch, _, _) as uname) = UnixLabels.open_process_full "uname" ~env:[| |] in
+    let ((in_ch, _, _) as uname) = UnixLabels.open_process_full "@coreutils@/bin/uname" ~env:[| |] in
     let os = input_line in_ch in
     ignore (UnixLabels.close_process_full uname) ;
     match os with
-- 
2.37.1