diff --git a/linker/linker.cpp b/linker/linker.cpp
index 74a246d..0a89b72 100755
--- a/linker/linker.cpp
+++ b/linker/linker.cpp
@@ -1571,8 +1571,9 @@
         case DT_DEBUG:
             // Set the DT_DEBUG entry to the address of _r_debug for GDB
             // if the dynamic table is writable
-            if (dynamic_flags & PF_W)
+            if ((dynamic_flags & PF_W) != 0) {
                 *d = (int) &_r_debug;
+            }
             break;
          case DT_RELA:
             DL_ERR("unsupported DT_RELA in \"%s\"", si->name);