diff --git a/dlls/jscript/engine.c b/dlls/jscript/engine.c
index 802e408b7ae..b14ec2d3ef1 100644
--- a/dlls/jscript/engine.c
+++ b/dlls/jscript/engine.c
@@ -2388,6 +2388,7 @@ static void release_call_frame(call_frame_t *frame)
     if(frame->scope)
         scope_release(frame->scope);
     jsval_release(frame->ret);
+    release_bytecode(frame->bytecode);
     heap_free(frame);
 }
 
@@ -2579,7 +2580,7 @@ HRESULT exec_source(script_ctx_t *ctx, DWORD flags, bytecode_t *bytecode, functi
     if(!frame)
         return E_OUTOFMEMORY;
 
-    frame->bytecode = bytecode;
+    frame->bytecode = bytecode_addref(bytecode);
     frame->function = function;
     frame->ip = function->instr_off;
     frame->stack_base = ctx->stack_top;
diff --git a/dlls/jscript/engine.h b/dlls/jscript/engine.h
index 4915b60c188..4b3bba2afc3 100644
--- a/dlls/jscript/engine.h
+++ b/dlls/jscript/engine.h
@@ -168,9 +168,10 @@ typedef struct _bytecode_t {
 HRESULT compile_script(script_ctx_t*,const WCHAR*,const WCHAR*,const WCHAR*,BOOL,BOOL,bytecode_t**) DECLSPEC_HIDDEN;
 void release_bytecode(bytecode_t*) DECLSPEC_HIDDEN;
 
-static inline void bytecode_addref(bytecode_t *code)
+static inline bytecode_t *bytecode_addref(bytecode_t *code)
 {
     code->ref++;
+    return code;
 }
 
 typedef struct _scope_chain_t {