diff --git a/dlls/vbscript/global.c b/dlls/vbscript/global.c
index 392b88f85db..49dcb50b608 100644
--- a/dlls/vbscript/global.c
+++ b/dlls/vbscript/global.c
@@ -378,8 +378,18 @@ static HRESULT Global_CCur(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VARI
 
 static HRESULT Global_CInt(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VARIANT *res)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    int val;
+    HRESULT hres;
+
+    TRACE("%s\n", debugstr_variant(arg));
+
+    assert(args_cnt == 1);
+
+    hres = to_int(arg, &val);
+    if(FAILED(hres))
+        return hres;
+
+    return return_int(res, val);
 }
 
 static HRESULT Global_CLng(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VARIANT *res)
diff --git a/dlls/vbscript/tests/api.vbs b/dlls/vbscript/tests/api.vbs
index b6d8cd511cb..1151071a2f9 100644
--- a/dlls/vbscript/tests/api.vbs
+++ b/dlls/vbscript/tests/api.vbs
@@ -433,4 +433,27 @@ Call ok(getVT(vbYes) = "VT_I2", "getVT(vbYes) = " & getVT(vbYes))
 Call ok(vbNo = 7, "vbNo = " & vbNo)
 Call ok(getVT(vbNo) = "VT_I2", "getVT(vbNo) = " & getVT(vbNo))
 
+Call ok(CInt(-36.75) = -37, "CInt(-36.75) = " & CInt(-36.75))
+Call ok(getVT(CInt(-36.75)) = "VT_I2", "getVT(CInt(-36.75)) = " & getVT(CInt(-36.75)))
+Call ok(CInt(-36.50) = -36, "CInt(-36.50) = " & CInt(-36.50))
+Call ok(getVT(CInt(-36.50)) = "VT_I2", "getVT(CInt(-36.50)) = " & getVT(CInt(-36.50)))
+Call ok(CInt(-36.25) = -36, "CInt(-36.25) = " & CInt(-36.25))
+Call ok(getVT(CInt(-36.25)) = "VT_I2", "getVT(CInt(-36.25)) = " & getVT(CInt(-36.25)))
+Call ok(CInt(-36) = -36, "CInt(-36) = " & CInt(-36))
+Call ok(getVT(CInt(-36)) = "VT_I2", "getVT(CInt(-36)) = " & getVT(CInt(-36)))
+Call ok(CInt(0) = 0, "CInt(0) = " & CInt(0))
+Call ok(getVT(CInt(0)) = "VT_I2", "getVT(CInt(0)) = " & getVT(CInt(0)))
+Call ok(CInt(0.0) = 0, "CInt(0.0) = " & CInt(0))
+Call ok(getVT(CInt(0.0)) = "VT_I2", "getVT(CInt(0.0)) = " & getVT(CInt(0.0)))
+Call ok(CInt(0.5) = 0, "CInt(0.5) = " & CInt(0))
+Call ok(getVT(CInt(0.5)) = "VT_I2", "getVT(CInt(0.5)) = " & getVT(CInt(0.5)))
+Call ok(CInt(36) = 36, "CInt(36) = " & CInt(36))
+Call ok(getVT(CInt(36)) = "VT_I2", "getVT(CInt(36)) = " & getVT(CInt(36)))
+Call ok(CInt(36.25) = 36, "CInt(36.25) = " & CInt(36.25))
+Call ok(getVT(CInt(36.25)) = "VT_I2", "getVT(CInt(36.25)) = " & getVT(CInt(36.25)))
+Call ok(CInt(36.50) = 36, "CInt(36.50) = " & CInt(36.50))
+Call ok(getVT(CInt(36.50)) = "VT_I2", "getVT(CInt(36.50)) = " & getVT(CInt(36.50)))
+Call ok(CInt(36.75) = 37, "CInt(36.75) = " & CInt(36.75))
+Call ok(getVT(CInt(36.75)) = "VT_I2", "getVT(CInt(36.75)) = " & getVT(CInt(36.75)))
+
 Call reportSuccess()