diff --git a/scp.c b/scp.c
index cbbc45f0..929fce48 100644
--- a/scp.c
+++ b/scp.c
@@ -8193,11 +8193,17 @@ if (logop >= 0) {
     free (schptr->mask);
     schptr->mask = logval;
     }
+else {
+    free (logval);
+    }
 if (cmpop >= 0) {
     schptr->boolop = cmpop;
     free (schptr->comp);
     schptr->comp = cmpval;
     }
+else {
+    free (cmpval);
+    }
 return schptr;
 }