diff --git a/prepare.sh b/prepare.sh
index 0b6f6042f720cb9f52004f25a2b45f8e37e4996b..a747da75d331869fc7de0f6c999d8100c67b993b 100755
--- a/prepare.sh
+++ b/prepare.sh
@@ -23,7 +23,7 @@ patch_gluon() {
 
 update_patches() {
   if ! git -C "$EXECDIR"/.. rev-parse --abbrev-ref HEAD | grep "v2017.1.x"; then
-    echo "no gluon repo founden or wrong branch"
+    echo "no gluon repo found or wrong branch"
     exit 1
   fi
   make -C "$EXECDIR"/.. update-patches