diff --git a/Source/MediaStorageAndFileFormat/gdcmSplitMosaicFilter.cxx b/Source/MediaStorageAndFileFormat/gdcmSplitMosaicFilter.cxx
index d3c43ebf8..1b1e6e6c9 100644
--- a/Source/MediaStorageAndFileFormat/gdcmSplitMosaicFilter.cxx
+++ b/Source/MediaStorageAndFileFormat/gdcmSplitMosaicFilter.cxx
@@ -342,7 +342,7 @@ bool SplitMosaicFilter::Split()
     return false;
     }
   const unsigned int div = (unsigned int )ceil(sqrt( (double)dims[2]) );
-  bool inverted;
+  bool inverted = false;
   double normal[3];
   bool hasOriginCSA = true;
   bool hasNormalCSA = true;