diff --git a/Modules/IO/GE/src/itkGE5ImageIO.cxx b/Modules/IO/GE/src/itkGE5ImageIO.cxx
index cfd2f72d1a4..d98bfcf0bbb 100644
--- a/Modules/IO/GE/src/itkGE5ImageIO.cxx
+++ b/Modules/IO/GE/src/itkGE5ImageIO.cxx
@@ -272,7 +272,7 @@ GE5ImageIO::ReadHeader(const char * FileNameToRead)
 
   // patient id
   std::string tmpId(buffer.get() + VOff(84, 88), 13);
-  (void)std::remove(tmpId.begin(), tmpId.end(), '-');
+  tmpId.erase(std::remove(tmpId.begin(), tmpId.end(), '-'), tmpId.end());
   strncpy(curImage->patientId, tmpId.c_str(), sizeof(curImage->patientId) - 1);
   curImage->patientId[sizeof(curImage->patientId) - 1] = '\0';