diff --git a/cve_bin_tool/cli.py b/cve_bin_tool/cli.py
index f74c1a6548..baf4fbb1a6 100755
--- a/cve_bin_tool/cli.py
+++ b/cve_bin_tool/cli.py
@@ -122,7 +122,7 @@ def get_cves(self, vendor_package_pairs, vers):
 
         for i in range(len(vendor_package_pairs)):
             vendor_package_pairs[i] = tuple(vendor_package_pairs[i])[:2] + (
-                "%" + vers + "%",
+                "%" + str(vers) + "%",
             )
 
         # here we don't need to grab all of the versions
@@ -195,7 +195,7 @@ def scan_file(self, filename):
                 if self.verbose:
                     print(filename, result["is_or_contains"], modulename, version)
                     if found_cves.keys():
-                        print("Known CVEs in version " + version)
+                        print("Known CVEs in version " + str(version))
                         print(", ".join(found_cves.keys()))
 
         self.logger.debug("Done scanning file: %r", filename)
@@ -418,7 +418,7 @@ def main(argv=sys.argv, outfile=sys.stdout):
             if (not args.quiet) and scanner.files_with_cve > 0:
                 affected_string = ", ".join(
                     map(
-                        lambda module_version: " ".join(module_version),
+                        lambda module_version: " ".join(str(module_version)),
                         scanner.affected(),
                     )
                 )