diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index aeb8e91..d882321 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -101,7 +101,7 @@ jobs:
           date
           make clean
           make
-          # make check
+          make check
           date
 
   vol-async-hdf5-develop-Makefile:
@@ -190,7 +190,7 @@ jobs:
           date
           make clean
           make
-          # make check
+          make check
           date
 
   vol-async-hdf5-1_14_2-cmake:
@@ -272,7 +272,7 @@ jobs:
           make clean
           make && make install
           date
-          # ctest -V
+          ctest -V
           date
 
   vol-async-hdf5-develop-cmake:
@@ -353,7 +353,7 @@ jobs:
           make clean
           make && make install
           date
-          # ctest -V
+          ctest -V
           date
 
       - name: Setup tmate session