diff --git a/src/cmem.c b/src/cmem.c
index 3711274..ef9c65a 100644
--- a/src/cmem.c
+++ b/src/cmem.c
@@ -104,6 +104,7 @@ void blackenObject(CState *state, CObj *obj) {
         case COBJ_FUNCTION: {
             CObjFunction *func = (CObjFunction*)obj;
             markObject(state, (CObj*)func->name);
+            markObject(state, (CObj*)func->module);
             markArray(state, &func->chunk.constants);
 
             break;
diff --git a/src/cobj.c b/src/cobj.c
index c0650e6..7419b30 100644
--- a/src/cobj.c
+++ b/src/cobj.c
@@ -112,6 +112,7 @@ CObjFunction *cosmoO_newFunction(CState *state) {
     func->args = 0;
     func->upvals = 0;
     func->name = NULL;
+    func->module = NULL;
 
     initChunk(state, &func->chunk, ARRAY_START);
     return func;
diff --git a/src/cobj.h b/src/cobj.h
index 1550526..e2911df 100644
--- a/src/cobj.h
+++ b/src/cobj.h
@@ -55,6 +55,7 @@ typedef struct CObjFunction {
     int args;
     int upvals;
     CObjString *name;
+    CObjString *module; // name of the "module"
 } CObjFunction;
 
 typedef struct CObjCFunction {
diff --git a/src/cparse.c b/src/cparse.c
index fea7105..15a0370 100644
--- a/src/cparse.c
+++ b/src/cparse.c
@@ -41,7 +41,8 @@ typedef struct CCompilerState {
 
 typedef struct {
     CLexState *lex;
-    CCompilerState* compiler;
+    CCompilerState *compiler;
+    CObjString *module; // name of the module (can be NULL)
     CState *state;
     CToken current;
     CToken previous; // token right after the current token
@@ -95,9 +96,12 @@ static void initCompilerState(CParseState* pstate, CCompilerState *ccstate, Func
     ccstate->savedPushed = 0;
     ccstate->type = type;
     ccstate->function = cosmoO_newFunction(pstate->state);
+    ccstate->function->module = pstate->module;
 
     if (type != FTYPE_SCRIPT) 
         ccstate->function->name = cosmoO_copyString(pstate->state, pstate->previous.start, pstate->previous.length);
+    else
+        ccstate->function->name = cosmoO_copyString(pstate->state, UNNAMEDCHUNK, strlen(UNNAMEDCHUNK));
 
     // mark first local slot as used (this'll hold the CObjFunction of the current function, or if it's a method it'll hold the currently bounded object)
     Local *local = &ccstate->locals[ccstate->localCount++];
@@ -107,13 +111,14 @@ static void initCompilerState(CParseState* pstate, CCompilerState *ccstate, Func
     local->name.length = 0;
 }
 
-static void initParseState(CParseState *pstate, CCompilerState *ccstate, CState *s, const char *source) {
+static void initParseState(CParseState *pstate, CCompilerState *ccstate, CState *s, const char *source, const char *module) {
     pstate->lex = cosmoL_newLexState(s, source);
 
     pstate->state = s;
     pstate->hadError = false;
     pstate->panic = false;
     pstate->compiler = ccstate;
+    pstate->module = cosmoO_copyString(s, module, strlen(module));
     
     initCompilerState(pstate, ccstate, FTYPE_SCRIPT, NULL); // enclosing starts as NULL
 }
@@ -1194,11 +1199,11 @@ static CObjFunction *endCompiler(CParseState *pstate) {
 
 // ================================================================ [API] ================================================================
 
-CObjFunction* cosmoP_compileString(CState *state, const char *source) {
+CObjFunction* cosmoP_compileString(CState *state, const char *source, const char *module) {
     CParseState parser;
     CCompilerState compiler;
     cosmoM_freezeGC(state); // ignore all GC events while compiling
-    initParseState(&parser, &compiler, state, source);
+    initParseState(&parser, &compiler, state, source, module);
 
     advance(&parser);
 
diff --git a/src/cparse.h b/src/cparse.h
index 0dd6b2e..1765cde 100644
--- a/src/cparse.h
+++ b/src/cparse.h
@@ -5,6 +5,6 @@
 #include "clex.h"
 
 // compiles source into CChunk, if NULL is returned, a syntaxical error has occured and pushed onto the stack
-CObjFunction* cosmoP_compileString(CState *state, const char *source);
+CObjFunction* cosmoP_compileString(CState *state, const char *source, const char *module);
 
 #endif
\ No newline at end of file
diff --git a/src/cvm.c b/src/cvm.c
index 633384d..a5b4aba 100644
--- a/src/cvm.c
+++ b/src/cvm.c
@@ -19,7 +19,7 @@ void cosmoV_error(CState *state, const char *format, ...) {
         int line = chunk->lineInfo[frame->pc - chunk->buf - 1];
 
         if (i == state->frameCount - 1) { // it's the last call frame, prepare for the objection to be printed
-            fprintf(stderr, "Objection on [line %d] in ", line);
+            fprintf(stderr, "Objection in %.*s on [line %d] in ", function->module->length, function->module->str, line);
             if (function->name == NULL) { // unnamed chunk
                 fprintf(stderr, "%s\n\t", UNNAMEDCHUNK);
             } else {
diff --git a/src/main.c b/src/main.c
index 0eb160e..aed1198 100644
--- a/src/main.c
+++ b/src/main.c
@@ -29,11 +29,11 @@ CValue cosmoB_input(CState *state, int nargs, CValue *args) {
     return cosmoV_newObj(cosmoO_copyString(state, line, strlen(line)-1)); // -1 for the \n
 }
 
-static void interpret(CState *state, const char* script) {
-    // cosmoP_compileString pushes the result onto the stack (NIL or COBJ_FUNCTION)
-    CObjFunction* func = cosmoP_compileString(state, script);
+static void interpret(CState *state, const char *script, const char *mod) {
+    // cosmoP_compileString pushes the result onto the stack (NIL or COBJ_CLOSURE)
+    CObjFunction* func = cosmoP_compileString(state, script, mod);
     if (func != NULL) {
-        disasmChunk(&func->chunk, "_main", 0);
+        disasmChunk(&func->chunk, func->name != NULL ? func->name->str : "_main", 0);
         
         COSMOVMRESULT res = cosmoV_call(state, 0); // 0 args being passed
 
@@ -62,7 +62,7 @@ static void repl() {
             break;
         }
 
-        interpret(state, line);
+        interpret(state, line, "REPL");
     }
 
     cosmoV_freeState(state);
@@ -107,7 +107,7 @@ static void runFile(const char* fileName) {
 
     cosmoV_register(state, "input", cosmoV_newObj(cosmoO_newCFunction(state, cosmoB_input)));
 
-    interpret(state, script);
+    interpret(state, script, fileName);
 
     cosmoV_freeState(state);
     free(script);