diff --git a/src/lib/common/executable.c b/src/lib/common/executable.c
index f9887f2..9f36dc2 100644
--- a/src/lib/common/executable.c
+++ b/src/lib/common/executable.c
@@ -185,7 +185,7 @@ void Executable_Free(Executable *exe)
 	}
 }
 
-void Executable_Dump(Executable *exe)
+void Executable_Dump(Executable *exe, FILE *fp)
 {
 	for(int i = 0; i < exe->bodyl; i += 1)
 	{
@@ -197,7 +197,7 @@ void Executable_Dump(Executable *exe)
 		
 		const InstrInfo *info = Executable_GetInstrByOpcode(opcode);
 
-		fprintf(stderr, "%d: %s ", i, info->name);
+		fprintf(fp, "%d: %s ", i, info->name);
 
 		for(int j = 0; j < opc; j += 1)
 		{
@@ -205,15 +205,15 @@ void Executable_Dump(Executable *exe)
 			{
 				case OPTP_IDX:
 				case OPTP_INT:
-				fprintf(stderr, "%lld ", ops[j].as_int);
+				fprintf(fp, "%lld ", ops[j].as_int);
 				break;
 
 				case OPTP_FLOAT:
-				fprintf(stderr, "%f ", ops[j].as_float);
+				fprintf(fp, "%f ", ops[j].as_float);
 				break;
 
 				case OPTP_STRING:
-				fprintf(stderr, "[%s] ", ops[j].as_string);
+				fprintf(fp, "[%s] ", ops[j].as_string);
 				break;
 
 				case OPTP_PROMISE:
@@ -222,7 +222,7 @@ void Executable_Dump(Executable *exe)
 			}
 		}
 
-		fprintf(stderr, "\n");
+		fprintf(fp, "\n");
 	}
 }
 
diff --git a/src/lib/common/executable.h b/src/lib/common/executable.h
index 9e00ed0..fa7dbc8 100644
--- a/src/lib/common/executable.h
+++ b/src/lib/common/executable.h
@@ -102,7 +102,7 @@ typedef struct xExeBuilder ExeBuilder;
 
 Executable *Executable_Copy(Executable *exe);
 void 		Executable_Free(Executable *exe);
-void 		Executable_Dump(Executable *exe);
+void 		Executable_Dump(Executable *exe, FILE *fp);
 _Bool       Executable_Equiv(Executable *exe1, Executable *exe2, FILE *log, const char *log_prefix);
 _Bool		Executable_Fetch(Executable *exe, int index, Opcode *opcode, Operand *ops, int *opc);
 _Bool 		Executable_SetSource(Executable *exe, Source *src);
diff --git a/src/lib/noja.c b/src/lib/noja.c
index b3ead0a..7c31291 100644
--- a/src/lib/noja.c
+++ b/src/lib/noja.c
@@ -117,7 +117,7 @@ static _Bool disassemble(Source *src)
 {
     Executable *exe = compile_source_and_print_error_on_failure(src);
     if(exe == NULL) return 0;
-    Executable_Dump(exe);
+    Executable_Dump(exe, stdout);
     Executable_Free(exe);
     return 1;
 }