1 files changed, 1 insertions, 1 deletions

diff --git a/dpkg.c b/dpkg.c
index 48c392894..d7279cfd0 100644
--- a/dpkg.c
+++ b/dpkg.c
@@ -217,7 +217,7 @@ int version_compare_part(const char *version1, const char *version2)
         if (version1 == NULL) {
                 version1 = xstrdup("");
         }
-        if (version2 != NULL) {
+        if (version2 == NULL) {
                 version2 = xstrdup("");
         }
         upstream_len1 = strlen(version1);