diff --git a/docker/run_qmean.py b/docker/run_qmean.py
index 15e21a22d156abc973c6296f29f25be085ded813..b3984eb8bf855c1c4f188245b321a99310e48114 100755
--- a/docker/run_qmean.py
+++ b/docker/run_qmean.py
@@ -140,19 +140,19 @@ def _run_accpro(fasta_file, msa, workdir, seqlen):
     if "Segmentation fault" in sout:
         LogError(
             'Running ACCPro failed for command "%s" with a segmentation fault'
-            % command
+            % " ".join(cmd)
         )
         return None
     if "Segmentation fault" in serr:
         LogError(
             'Running ACCPro failed for command "%s" with a segmentation fault'
-            % command
+            % " ".join(cmd)
         )
         return None
     if job.returncode != 0:
         LogError(
             'Running ACCPro failed for command "%s":\n%s\n%s'
-            % (" ".join(command), sout, serr)
+            % (" ".join(cmd), sout, serr)
         )
         return None