diff --git a/srcpkgs/icecat/patches/fix-tools.patch b/srcpkgs/icecat/patches/fix-tools.patch
index e64ce3c185a..a523f3597d3 100644
--- a/srcpkgs/icecat/patches/fix-tools.patch
+++ b/srcpkgs/icecat/patches/fix-tools.patch
@@ -26,3 +26,19 @@
    return base;
  }
  
+--- tools/profiler/core/platform-linux.cc	2017-05-04 23:35:47.000000000 +0200
++++ tools/profiler/core/platform-linux.cc	2017-06-16 10:42:15.942410094 +0200
+@@ -683,11 +683,13 @@
+ void TickSample::PopulateContext(void* aContext)
+ {
+   MOZ_ASSERT(aContext);
++#if defined(__GLIBC__)
+   ucontext_t* pContext = reinterpret_cast<ucontext_t*>(aContext);
+   if (!getcontext(pContext)) {
+     context = pContext;
+     SetSampleContext(this, aContext);
+   }
++#endif
+ }
+ 
+ void OS::SleepMicro(int microseconds)