diff --git a/RLTest/debuggers.py b/RLTest/debuggers.py
index 36836d8..54e252c 100644
--- a/RLTest/debuggers.py
+++ b/RLTest/debuggers.py
@@ -23,9 +23,9 @@ def generate_command(self, logfile=None):
             if '--errors-for-leak-kinds=definite' not in self.options:
                     cmd += ['--errors-for-leak-kinds=definite']
         if self.suppressions:
-            cmd += ['--suppressions=' + self.suppressions]
+            cmd += ['--suppressions=' + os.path.abspath(self.suppressions)]
         if logfile:
-            cmd += ['--log-file=' + logfile]
+            cmd += ['--log-file=' + os.path.abspath(logfile)]
         return cmd
 
 
diff --git a/tests/unit/test_debuggers.py b/tests/unit/test_debuggers.py
index 44cde20..d4c8a27 100644
--- a/tests/unit/test_debuggers.py
+++ b/tests/unit/test_debuggers.py
@@ -13,11 +13,13 @@ def test_generate_command_default(self):
     def test_generate_command_supression(self):
         default_valgrind = Valgrind(options="", suppressions="file")
         cmd_args = default_valgrind.generate_command()
-        assert ['valgrind', '--error-exitcode=255', '--leak-check=full', '--errors-for-leak-kinds=definite',
-                '--suppressions=file'] == cmd_args
+        assert ['valgrind', '--error-exitcode=255', '--leak-check=full', '--errors-for-leak-kinds=definite'] == cmd_args[:4]
+        assert '--suppressions=' in cmd_args[4]
+        assert 'file' in cmd_args[4]
 
     def test_generate_command_logfile(self):
         default_valgrind = Valgrind(options="")
         cmd_args = default_valgrind.generate_command('logfile')
-        assert ['valgrind', '--error-exitcode=255', '--leak-check=full', '--errors-for-leak-kinds=definite',
-                '--log-file=logfile'] == cmd_args
+        assert ['valgrind', '--error-exitcode=255', '--leak-check=full', '--errors-for-leak-kinds=definite'] == cmd_args[:4]
+        assert '--log-file=' in cmd_args[4]
+        assert 'logfile' in cmd_args[4]