diff --git a/src/triage/component/architect/builders.py b/src/triage/component/architect/builders.py
index 3224c38f1..34a1e9c5f 100644
--- a/src/triage/component/architect/builders.py
+++ b/src/triage/component/architect/builders.py
@@ -599,7 +599,7 @@ def generate_gzip(self, path, matrix_uuid):
             path (string): _description_
             matrix_uuid (string): _description_
         """
-        cmd_line = "gzip -k" + path + "/" + matrix_uuid + ".csv"
+        cmd_line = "gzip -k " + path + "/" + matrix_uuid + ".csv"
         logger.debug(f"Generating gzip of full matrix on cmd line with command: {cmd_line}")
         subprocess.run(cmd_line, shell=True)
         logger.debug(f"Full matrix {matrix_uuid} compressed and saved!")