diff --git a/ganga/GangaLHCb/Lib/Applications/GaudiExec.py b/ganga/GangaLHCb/Lib/Applications/GaudiExec.py
index aae0a544f6..59cb2e27ac 100755
--- a/ganga/GangaLHCb/Lib/Applications/GaudiExec.py
+++ b/ganga/GangaLHCb/Lib/Applications/GaudiExec.py
@@ -195,9 +195,9 @@ class GaudiExec(IPrepareApp):
         'nMakeCores': SimpleItem(defvalue=1,
                                  doc='Number of cores to be provided via the "-j" option to the "make" command'\
                                      'when building the ganga-input-sandbox'),
-        'apptainerBuild': SimpleItem(defvalue=False, doc="Run the build command in apptainer"),
-        'containerLocation': SimpleItem(defvalue='/cvmfs/cernvm-prod.cern.ch/cvm4',
-                                         doc='Where is the container to use for the build located'),
+        'useApptainer': SimpleItem(defvalue=False, doc="Run the commands in apptainer"),
+        'containerLocation': SimpleItem(defvalue='/cvmfs/lhcb.cern.ch/containers/os-base/slc6-devel/prod/amd64',
+                                        doc='Where is the container to use for the build located'),
         # Prepared job object
         'is_prepared': SimpleItem(defvalue=None, strict_sequence=0, visitable=1, copyable=1, hidden=0,
                                   typelist=[None, ShareDir], protected=0, comparable=1,
@@ -557,7 +557,18 @@ def execCmd(self, cmd):
             if isLbEnv:
                 initialCommand = 'source /cvmfs/lhcb.cern.ch/lib/LbEnv && source LbLogin.sh -c %s && make -j%s' % (
                     self.platform, self.nMakeCores)
-            rc, stdout, stderr = _exec_cmd(initialCommand, self.directory)
+            if self.useApptainer or 'slc6' in self.platform:
+                try:
+                    logger.info('Building inside apptainer: %s' % self.containerLocation)
+                    cmd_to_run = 'source /cvmfs/lhcb.cern.ch/lib/LbEnv && apptainer exec --bind $PWD --bind %s --bind /cvmfs:/cvmfs:ro ' % path.dirname(
+                        cmd_file.name) + self.containerLocation + ' bash -c "%s"' % initialCommand
+                    rc, stdout, stderr = _exec_cmd(cmd_to_run, self.directory)
+                except BaseException:
+                    logger.error('Failed to build the application inside a container. '
+                                 'Perhaps the specified container location is not accessible.')
+                    raise GangaException('Failed to execute make command')
+            else:
+                rc, stdout, stderr = _exec_cmd(initialCommand, self.directory)
             if rc != 0:
                 logger.error("Failed to perform initial make on a Cmake based project")
                 logger.error("This is required so that the './run' target exists and is callable within the project")
@@ -569,8 +580,8 @@ def execCmd(self, cmd):
             if self.apptainerBuild or 'slc6' in self.platform:
                 try:
                     logger.info('Building inside apptainer: %s' % self.containerLocation)
-                    cmd_to_run = 'source /cvmfs/lhcb.cern.ch/lib/LbEnv && apptainer exec --env "PATH=$PATH" --bind $PWD --bind /cvmfs:/cvmfs:ro '\
-                                 + self.containerLocation + ' ' + cmd_file.name
+                    cmd_to_run = 'source /cvmfs/lhcb.cern.ch/lib/LbEnv && apptainer exec --bind $PWD --bind %s --bind /cvmfs:/cvmfs:ro ' % path.dirname(
+                        cmd_file.name) + self.containerLocation + ' bash -c "source ' + cmd_file.name + '"'
                     rc, stdout, stderr = _exec_cmd(cmd_to_run, self.directory)
                 except BaseException:
                     logger.error('Failed to build the application inside a container. '