diff --git a/configure b/configure
index a7e334c7a..e523675c4 100755
--- a/configure
+++ b/configure
@@ -4594,6 +4594,7 @@ else
 fi
 MODE_R=$(( 0666 & $MODE_X ))
 MODE_R=$(echo "ibase=10; obase=8; $MODE_R" | bc )
+MODE_R=0$MODE_R
 echo MODE_X: $MODE_X
 echo MODE_R: $MODE_R
 
diff --git a/configure.ac b/configure.ac
index 8aad04deb..98e8b7149 100644
--- a/configure.ac
+++ b/configure.ac
@@ -736,6 +736,7 @@ else
 fi   
 MODE_R=$(( 0666 & $MODE_X ))
 MODE_R=$(echo "ibase=10; obase=8; $MODE_R" | bc )
+MODE_R=0$MODE_R
 echo MODE_X: $MODE_X
 echo MODE_R: $MODE_R