--- a/src/wimax/model/ss-link-manager.cc	Fri Aug 31 12:24:28 2012 +0200
+++ b/src/wimax/model/ss-link-manager.cc	Sat Sep 01 20:57:21 2012 +0200
@@ -337,8 +337,8 @@
 void
 SSLinkManager::ResetRangingRequestCW (void)
 {
-  m_rangingCW = (uint8_t) pow ((double) 2,
-                               (double) m_ss->GetCurrentUcd ().GetRangingBackoffStart ()) - 1;
+  m_rangingCW = (uint8_t) std::pow ((double) 2,
+                                    (double) m_ss->GetCurrentUcd ().GetRangingBackoffStart ()) - 1;
 }
 
 void