diff --git a/build.bat b/build.bat
index d4878fc..8fd3810 100644
--- a/build.bat
+++ b/build.bat
@@ -44,7 +44,7 @@ IF "%TYPE%" == "Release" copy /Y %DEVSPACE%\libiconv\Release\lib\libiconv.lib %D
 cd %DEVSPACE%
 git clone git://git.dcmtk.org/dcmtk.git
 cd dcmtk
-git pull
+git fetch
 git checkout -f DCMTK-3.6.2
 mkdir build-%TYPE%
 cd build-%TYPE%
diff --git a/build.sh b/build.sh
index 5711601..2ff3494 100755
--- a/build.sh
+++ b/build.sh
@@ -14,7 +14,7 @@ DEVSPACE=`pwd`
 cd $DEVSPACE
 [[ -d dcmtk ]] || git clone git://git.dcmtk.org/dcmtk.git
 cd dcmtk
-git pull
+git fetch
 git checkout -f DCMTK-3.6.2
 mkdir -p build-$TYPE
 cd build-$TYPE