diff --git a/dlls/vbscript/compile.c b/dlls/vbscript/compile.c
index 71af0f3014c..99505f60fb8 100644
--- a/dlls/vbscript/compile.c
+++ b/dlls/vbscript/compile.c
@@ -361,6 +361,8 @@ static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr)
         return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_equal);
     case EXPR_MEMBER:
         return compile_member_expression(ctx, (member_expression_t*)expr, TRUE);
+    case EXPR_MOD:
+        return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
     case EXPR_NEG:
         return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
     case EXPR_NEQUAL:
diff --git a/dlls/vbscript/interp.c b/dlls/vbscript/interp.c
index d768aab9447..4858b0b5848 100644
--- a/dlls/vbscript/interp.c
+++ b/dlls/vbscript/interp.c
@@ -642,6 +642,12 @@ static HRESULT interp_sub(exec_ctx_t *ctx)
     return stack_push(ctx, &v);
 }
 
+static HRESULT interp_mod(exec_ctx_t *ctx)
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
 static HRESULT interp_neg(exec_ctx_t *ctx)
 {
     variant_val_t val;
diff --git a/dlls/vbscript/parse.h b/dlls/vbscript/parse.h
index c8ed7f04eb7..fde8512ed31 100644
--- a/dlls/vbscript/parse.h
+++ b/dlls/vbscript/parse.h
@@ -24,6 +24,7 @@ typedef enum {
     EXPR_EMPTY,
     EXPR_EQUAL,
     EXPR_MEMBER,
+    EXPR_MOD,
     EXPR_NEG,
     EXPR_NEQUAL,
     EXPR_NOT,
diff --git a/dlls/vbscript/parser.y b/dlls/vbscript/parser.y
index 8efcc5a67a0..4f8aa2369d3 100644
--- a/dlls/vbscript/parser.y
+++ b/dlls/vbscript/parser.y
@@ -91,7 +91,7 @@ static elseif_decl_t *new_elseif_decl(parser_ctx_t*,expression_t*,statement_t*);
 
 %type <statement> Statement StatementNl StatementsNl IfStatement Else_opt
 %type <expression> Expression LiteralExpression PrimaryExpression EqualityExpression CallExpression
-%type <expression> ConcatExpression AdditiveExpression ModExpression
+%type <expression> ConcatExpression AdditiveExpression ModExpression IntdivExpression
 %type <expression> NotExpression UnaryExpression
 %type <member> MemberExpression
 %type <expression> Arguments_opt ArgumentList_opt ArgumentList
@@ -194,6 +194,10 @@ AdditiveExpression
     | AdditiveExpression '-' ModExpression      { $$ = new_binary_expression(ctx, EXPR_SUB, $1, $3); CHECK_ERROR; }
 
 ModExpression
+    : IntdivExpression                          { $$ = $1; }
+    | ModExpression tMOD IntdivExpression       { $$ = new_binary_expression(ctx, EXPR_MOD, $1, $3); CHECK_ERROR; }
+
+IntdivExpression
     : UnaryExpression /* FIXME */   { $$ = $1; }
 
 
diff --git a/dlls/vbscript/vbscript.h b/dlls/vbscript/vbscript.h
index cf32705be2a..a33b5700767 100644
--- a/dlls/vbscript/vbscript.h
+++ b/dlls/vbscript/vbscript.h
@@ -111,6 +111,7 @@ typedef enum {
     X(jmp,            0, ARG_ADDR,    0)          \
     X(jmp_false,      0, ARG_ADDR,    0)          \
     X(long,           1, ARG_INT,     0)          \
+    X(mod,            1, 0,           0)          \
     X(neg,            1, 0,           0)          \
     X(nequal,         1, 0,           0)          \
     X(not,            1, 0,           0)          \