diff --git a/plugins/cdvdGigaherz/src/CDVD.cpp b/plugins/cdvdGigaherz/src/CDVD.cpp
index f8de3bd5a6..1806fac957 100644
--- a/plugins/cdvdGigaherz/src/CDVD.cpp
+++ b/plugins/cdvdGigaherz/src/CDVD.cpp
@@ -290,18 +290,18 @@ s32  CALLBACK CDVDgetDualInfo(s32* dualType, u32* _layer1start)
 	{
 	case 1:
 		*dualType = 1;
-		*_layer1start = src->GetLayerBreakAddress();
-		return 1;
+		*_layer1start = src->GetLayerBreakAddress() + 1;
+		return 0;
 	case 2:
 		*dualType = 2;
-		*_layer1start = src->GetLayerBreakAddress();
-		return 1;
+		*_layer1start = src->GetLayerBreakAddress() + 1;
+		return 0;
 	case 0:
 		*dualType = 0;
 		*_layer1start = 0;
-		return 1;
+		return 0;
 	}
-	return 0;
+	return -1;
 }
 
 int lastReadInNewDiskCB=0;
diff --git a/plugins/cdvdGigaherz/src/Windows/IOCtlSrc.cpp b/plugins/cdvdGigaherz/src/Windows/IOCtlSrc.cpp
index 92a7aaf299..9fe93c832a 100644
--- a/plugins/cdvdGigaherz/src/Windows/IOCtlSrc.cpp
+++ b/plugins/cdvdGigaherz/src/Windows/IOCtlSrc.cpp
@@ -579,7 +579,7 @@ s32 IOCtlSrc::GetMediaType()
 			{
 				//PTP
 				mediaTypeCached = true;
-				mediaType = 2;
+				mediaType = 1;
 				return mediaType;
 			}