diff --git a/memcheckplugin/memchecker.cpp b/memcheckplugin/memchecker.cpp
--- a/memcheckplugin/memchecker.cpp
+++ b/memcheckplugin/memchecker.cpp
@@ -84,7 +84,7 @@ unsigned int p_pow2(unsigned int v)
 
 unsigned int memchecker::measureMemSize(unsigned int address, unsigned int maxSize)
 {
-    return   SocExplorerEngine::memMeasureSize(this->plugin,address,maxSize);
+    return   SocExplorerEngine::self()->memMeasureSize(this->plugin,address,maxSize);
 }