diff --git a/CMakeLists.txt b/CMakeLists.txt
index c3aaad3b1b..bf9972177f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1356,17 +1356,22 @@ if(openPMD_BUILD_TESTING)
                 add_test(NAME CLI.pipe.py
                     COMMAND sh -c
                         "${MPI_TEST_EXE} ${Python_EXECUTABLE}                      \
-                            ${openPMD_RUNTIME_OUTPUT_DIRECTORY}/openpmd-pipe         \
+                            ${openPMD_RUNTIME_OUTPUT_DIRECTORY}/openpmd-pipe       \
                             --infile ../samples/git-sample/data%T.h5               \
                             --outfile ../samples/git-sample/data%T.bp &&           \
                                                                                    \
                         ${MPI_TEST_EXE} ${Python_EXECUTABLE}                       \
-                            ${openPMD_RUNTIME_OUTPUT_DIRECTORY}/openpmd-pipe         \
+                            ${openPMD_RUNTIME_OUTPUT_DIRECTORY}/openpmd-pipe       \
+                            --infile ../samples/git-sample/data00000100.h5         \
+                            --outfile ../samples/git-sample/single_iteration.bp && \
+                                                                                   \
+                        ${MPI_TEST_EXE} ${Python_EXECUTABLE}                       \
+                            ${openPMD_RUNTIME_OUTPUT_DIRECTORY}/openpmd-pipe       \
                             --infile ../samples/git-sample/thetaMode/data%T.h5     \
                             --outfile ../samples/git-sample/thetaMode/data.bp &&   \
                                                                                    \
                         ${Python_EXECUTABLE}                                       \
-                            ${openPMD_RUNTIME_OUTPUT_DIRECTORY}/openpmd-pipe         \
+                            ${openPMD_RUNTIME_OUTPUT_DIRECTORY}/openpmd-pipe       \
                             --infile ../samples/git-sample/thetaMode/data.bp       \
                             --outfile ../samples/git-sample/thetaMode/data%T.json  \
                         "