diff --git a/git-latexdiff b/git-latexdiff
index e6fa2aa..e9141ab 100755
--- a/git-latexdiff
+++ b/git-latexdiff
@@ -243,7 +243,7 @@ while test $# -ne 0; do
                     exit 1
                 fi
             else
-                latexdiffopt=($1 $latexdiffopt)
+                latexdiffopt+=($1)
             fi
             ;;
         *)
@@ -409,9 +409,9 @@ do
     verbose_done
 done
 
-verbose "Running latexdiff $latexdiffopt --flatten old/$main new/$main > ./diff.tex"
+verbose "Running latexdiff ${latexdiffopt[@]} --flatten old/$main new/$main > ./diff.tex"
 
-latexdiff $latexdiffopt --flatten old/"$main" new/"$main" > diff.tex || die "latexdiff failed"
+latexdiff ${latexdiffopt[@]} --flatten old/"$main" new/"$main" > diff.tex || die "latexdiff failed"
 
 verbose "mv ./diff.tex new/$main"