diff --git a/include/Algo/Export/exportVol.hpp b/include/Algo/Export/exportVol.hpp
index 4d6603fbcd2dc239445f072204cc23f3605db30d..afcd96c595a4b0289a669bcaae3c443928a60af7 100644
--- a/include/Algo/Export/exportVol.hpp
+++ b/include/Algo/Export/exportVol.hpp
@@ -40,7 +40,7 @@ namespace Volume
 namespace Export
 {
 
-std::string truncFloatTO8(float f)
+inline std::string truncFloatTO8(float f)
 {
 	std::stringstream ss;
 	ss << f;
diff --git a/include/Algo/Import/importNAS.hpp b/include/Algo/Import/importNAS.hpp
index b1b4d300cb556cf22077e815f7ceb04e420d81d7..e0f3f10353aaaf46ae352f40f0c706f3f3c626ed 100644
--- a/include/Algo/Import/importNAS.hpp
+++ b/include/Algo/Import/importNAS.hpp
@@ -38,7 +38,7 @@ namespace Volume
 namespace Import 
 {
 
-float floatFromNas(std::string& s_v)
+inline float floatFromNas(std::string& s_v)
 {
 	float x = 0.0f;