diff --git a/include/Extensions/Interpolators/SPK_GraphInterpolator.h b/include/Extensions/Interpolators/SPK_GraphInterpolator.h
index 8a9a9bf3..472951bb 100644
--- a/include/Extensions/Interpolators/SPK_GraphInterpolator.h
+++ b/include/Extensions/Interpolators/SPK_GraphInterpolator.h
@@ -596,7 +596,7 @@ namespace SPK
 	template<typename T>
 	inline void GraphInterpolator<T>::interpolateEntry(T& result,const InterpolatorEntry<T>& entry,float ratio) const
 	{
-		interpolateParam(result,entry.y0,entry.y1,ratio);
+		this->interpolateParam(result,entry.y0,entry.y1,ratio);
 	}
 
 	template<typename T>
@@ -647,7 +647,7 @@ namespace SPK
 
 			interpolateEntry(y0, previousEntry, ratioY);
 			interpolateEntry(y1, nextEntry, ratioY);
-			interpolateParam(data, y0, y1, ratioX);
+			this->interpolateParam(data, y0, y1, ratioX);
 		}
 	}
 
diff --git a/include/Extensions/Interpolators/SPK_RandomInterpolator.h b/include/Extensions/Interpolators/SPK_RandomInterpolator.h
index f23eb127..3472caa3 100644
--- a/include/Extensions/Interpolators/SPK_RandomInterpolator.h
+++ b/include/Extensions/Interpolators/SPK_RandomInterpolator.h
@@ -161,7 +161,7 @@ namespace SPK
 		for (GroupIterator particleIt(group); !particleIt.end(); ++particleIt)
 		{
 			size_t index = particleIt->getIndex();
-			interpolateParam(data[index],deathValuesData[index],birthValuesData[index],particleIt->getEnergy());
+			this->interpolateParam(data[index],deathValuesData[index],birthValuesData[index],particleIt->getEnergy());
 		}
 	}
 
diff --git a/include/Extensions/Interpolators/SPK_SimpleInterpolator.h b/include/Extensions/Interpolators/SPK_SimpleInterpolator.h
index 774b9f53..e1f9c6e8 100644
--- a/include/Extensions/Interpolators/SPK_SimpleInterpolator.h
+++ b/include/Extensions/Interpolators/SPK_SimpleInterpolator.h
@@ -110,7 +110,7 @@ namespace SPK
 	void SimpleInterpolator<T>::interpolate(T* data,Group& group,DataSet* dataSet) const
 	{
 		for (GroupIterator particleIt(group); !particleIt.end(); ++particleIt)
-			interpolateParam(data[particleIt->getIndex()],deathValue,birthValue,particleIt->getEnergy());
+			this->interpolateParam(data[particleIt->getIndex()],deathValue,birthValue,particleIt->getEnergy());
 	}
 }