diff --git a/src/XMPPCommands/MUCKV.c b/src/XMPPCommands/MUCKV.c
index 4bcf010..6dba478 100644
--- a/src/XMPPCommands/MUCKV.c
+++ b/src/XMPPCommands/MUCKV.c
@@ -22,7 +22,7 @@ MUCSetKey(XMPPCommandManager *m, char *from, XMLElement *form, XMLElement *out)
     char *chat_id;
     char *muc;
 
-    char *key, *val;
+    char *key = NULL, *val = NULL;
 
     ParseeLookupAffiliation(from, &affiliation, &role);
     Free(role);