diff --git a/GraphOffline.cpp b/GraphOffline.cpp
index 25addd9..27cf729 100644
--- a/GraphOffline.cpp
+++ b/GraphOffline.cpp
@@ -83,9 +83,9 @@ extern "C" {
   const char* ProcessAlgorithm(const char* emscriptParams);
 }
 
+std::string res;
 const char* ProcessAlgorithm(const char* emscriptParams)
 {
-  static std::string res;
   if (strcmp(emscriptParams, EMSCRIPT_DELEMITER) == 0)
   {
     res = "test";
diff --git a/makefile-emcc b/makefile-emcc
index ab78bee..bae9fa6 100644
--- a/makefile-emcc
+++ b/makefile-emcc
@@ -17,7 +17,7 @@ GRAPH_DIR = graph
 OBJ_DIR = bin/emscripten/obj
 
 # Declaration of variables
-CXX = EMCC_DEBUG=1 emcc
+CXX = emcc
 CPPFLAGS += -std=c++17 -Wall -I. -I $(ALGORITHM_DIR) -I $(PUGIXML_DIR) -I $(REPORT_DIR) -I $(COMMON_DIR) -I $(GRAPH_DIR) -I $(LIB_DIR) -DEMSCRIPT
 LINKFLAGS += -s EXPORTED_FUNCTIONS='_ProcessAlgorithm' -s EXPORTED_RUNTIME_METHODS=ccall,cwrap