diff --git a/source/exercises100.ktx b/source/exercises100.ktx
index 34fd6f9..9c88bc0 100644
--- a/source/exercises100.ktx
+++ b/source/exercises100.ktx
@@ -47,7 +47,7 @@ How to get the documentation of the numpy add function from the command line? (
 hint: np.info
 
 < a5
-%run `python -c "import numpy; numpy.info(numpy.add)"`
+!python -c "import numpy; numpy.info(numpy.add)"
 
 < q6
 Create a null vector of size 10 but the fifth value which is 1 (★☆☆)