diff --git a/include/compiler/codegen/Instruction.h b/include/compiler/codegen/Instruction.h
index a69e707..a6db21b 100644
--- a/include/compiler/codegen/Instruction.h
+++ b/include/compiler/codegen/Instruction.h
@@ -31,6 +31,11 @@
 #define HEADER \
     fprintf(stdout, ".IFJcode23\n");
 
+// TODO: Fix
+void Instruction_pops_where(char * where, enum Frame frame);
+
+void Instruction_defvar_where(char * where, enum Frame frame);
+
 // --- UTILS ---
 
 void Instruction_label_while_start(size_t id);
@@ -59,7 +64,7 @@ void Instruction_readInt(size_t id, enum Frame frame);
 
 void Instruction_readFloat(size_t id, enum Frame frame);
 
-void Instruction_write(size_t id, enum Frame frame);
+void Instruction_write(char * id, enum Frame frame);
 
 void Instruction_defvar(size_t id, enum Frame frame);
 
diff --git a/src/compiler/codegen/Codegen.c b/src/compiler/codegen/Codegen.c
index 81eac60..2f68741 100644
--- a/src/compiler/codegen/Codegen.c
+++ b/src/compiler/codegen/Codegen.c
@@ -59,6 +59,9 @@ void Codegen_generate(Codegen *codegen) {
 
 void __Codegen_generate(Codegen *codegen) {
 	__Codegen_generatePreamble();
+    // TODO: Shortcut, fix it later
+    Instruction_defvar_where("WRITE_TMP", FRAME_GLOBAL);
+
 	__Codegen_generateGlobalVariablesDeclarations(codegen);
 	__Codegen_walkAST(codegen);
 }
@@ -291,6 +294,8 @@ void __Codegen_evaluateFunctionDeclaration(Codegen *codegen, FunctionDeclaration
 
 	// Process body
 	__Codegen_evaluateBlock(codegen, functionDeclaration->body);
+
+    codegen->frame = FRAME_GLOBAL;
 }
 
 
@@ -429,8 +434,8 @@ __Codegen_resolveBuiltInFunction(Codegen *codegen, FunctionCallASTNode *function
             for (size_t i = 0; i < argumentList->arguments->size; ++i) {
                 ArgumentASTNode *argument = Array_get(argumentList->arguments, i);
                 __Codegen_evaluateStatement(codegen, (StatementASTNode *) argument->expression);
-                Instruction_pops(argument->label->id, codegen->frame);
-                Instruction_write(argument->label->id, codegen->frame);
+                Instruction_pops_where("WRITE_TMP", codegen->frame);
+                Instruction_write("WRITE_TMP", codegen->frame);
             }
         } break;
         case FUNCTION_INT_TO_DOUBLE:
diff --git a/src/compiler/codegen/Instruction.c b/src/compiler/codegen/Instruction.c
index bc65ced..c2700b8 100644
--- a/src/compiler/codegen/Instruction.c
+++ b/src/compiler/codegen/Instruction.c
@@ -90,8 +90,17 @@ void Instruction_pushs_bool(bool value) {
     fprintf(stdout, "PUSHS bool@%s\n", value ? "true" : "false");
 }
 
-void Instruction_write(size_t id, enum Frame frame){
-    fprintf(stdout, "WRITE %s@$%lu\n", __Instruction_getFrame(frame), id);
+void Instruction_write(char * id, enum Frame frame){
+    fprintf(stdout, "WRITE %s@$%s\n", __Instruction_getFrame(frame), id);
+}
+
+// TODO: This is very bad shortcut, should be fixed
+void Instruction_pops_where(char * where, enum Frame frame) {
+    fprintf(stdout, "POPS %s@%s\n", __Instruction_getFrame(frame), where);
+}
+
+void Instruction_defvar_where(char * where, enum Frame frame) {
+    fprintf(stdout, "DEFVAR %s@%s\n", __Instruction_getFrame(frame), where);
 }
 
 void Instruction_pushs_int(long value) {