diff --git a/mozilla/tools/trace-malloc/lib/nsTraceMalloc.c b/mozilla/tools/trace-malloc/lib/nsTraceMalloc.c
index 45cc243994c..d23a4a94fc0 100644
--- a/mozilla/tools/trace-malloc/lib/nsTraceMalloc.c
+++ b/mozilla/tools/trace-malloc/lib/nsTraceMalloc.c
@@ -1201,6 +1201,10 @@ static callsite *calltree(uint32 *bp)
             method = nsDemangle(symbol);
         }
 #endif
+        if (info.dli_fbase == (void*)0x8048000) {
+            /* we're in the binary */
+            info.dli_fbase = 0;
+        }
         if (!method) {
             method = symbol
                      ? strdup(symbol)