diff --git a/adb/daemon/main.cpp b/adb/daemon/main.cpp
index 218c1d0..240985f 100644
--- a/adb/daemon/main.cpp
+++ b/adb/daemon/main.cpp
@@ -53,8 +53,7 @@
             continue;
         }
 
-        int err = prctl(PR_CAPBSET_DROP, i, 0, 0, 0);
-        if (err < 0) {
+        if (prctl(PR_CAPBSET_DROP, i, 0, 0, 0) == -1) {
             PLOG(FATAL) << "Could not drop capabilities";
         }
     }