diff --git a/source/FS/OControl_USB.cpp b/source/FS/OControl_USB.cpp
index aea8c47..517cc20 100644
--- a/source/FS/OControl_USB.cpp
+++ b/source/FS/OControl_USB.cpp
@@ -465,7 +465,7 @@ int OceanOptics_lib::GetDeviceAttribute(DeviceAttribute &Attr)
 
 	long minimum_time;
 	minimum_time = seabreeze_get_min_integration_time_microsec(m_iSpectralmeterHandle, &error);
-	Attr.iMinIntegrationTimeInMS = minimum_time;
+	Attr.iMinIntegrationTimeInMS = (int)((double)minimum_time / (double)1000);
 	Attr.iMaxIntegrationTimeInMS = 60000;
 
 	if (spec_length > 0) {