diff --git a/tests/test-merge.sh b/tests/test-merge.sh
index 86dc48d0b..14dadf71b 100755
--- a/tests/test-merge.sh
+++ b/tests/test-merge.sh
@@ -7,7 +7,7 @@ do
     echo -n .
     if ! $COVERAGE run -a --include=tools/* tools/merge_sigma $f > /dev/null
     then
-        echo "[ERROR] Error in file $f"
+        echo "[ERROR] Error in file " $f
         exit 1
     fi
 done