diff --git a/Packaging/Files/linux_pkgsetup.in b/Packaging/Files/linux_pkgsetup.in
index 6db2cd11ccebd41a399c51bcb12521e2f2001ca0..93d5a6a082b7010519334e23bf71d8d5ed230588 100644
--- a/Packaging/Files/linux_pkgsetup.in
+++ b/Packaging/Files/linux_pkgsetup.in
@@ -44,7 +44,7 @@ PATCH_ELF_EXE="$OUT_DIR/patchelf"
 #do not move below block. it must be before "unset LD_LIBRARY_PATH" code
 #check if we have any python bindings
 if [ -f "$OUT_DIR/lib/python/_otbApplication.so" ] ; then
-    chmod +x $OUT_DIR/setup_python.sh
+    chmod +x "$OUT_DIR/setup_python.sh"
     ./setup_python.sh || setup_python_ret=$?
 fi
 
@@ -52,7 +52,7 @@ fi
 unset LD_LIBRARY_PATH
 
 # we remove files in $OUT_DIR/lib/gtk which we CANNOT add new rpath
-BINARY_FILES=$(find $OUT_DIR/lib $OUT_DIR/bin -type f -exec file {} \; | grep -v '/lib/gtk/' | grep -i elf|cut -f1 -d':')
+BINARY_FILES=$(find "$OUT_DIR/lib" "$OUT_DIR/bin" -type f -exec file {} \; | grep -v '/lib/gtk/' | grep -i elf|cut -f1 -d':')
 # run patchelf
 for bin_file in $BINARY_FILES; do
     #echo "adding rpath to $bin_file"
diff --git a/Packaging/Files/macx_pkgsetup.in b/Packaging/Files/macx_pkgsetup.in
index 971e79eff3a5f74b4a9e3eadd666f6d3a6933309..7c4b5c8e941362bbaf7c68364122b5f52917d2c8 100755
--- a/Packaging/Files/macx_pkgsetup.in
+++ b/Packaging/Files/macx_pkgsetup.in
@@ -41,7 +41,7 @@ OUT_DIR=$(pwd)
 
 #do not move below 3 lines. it must be before "unset LD_LIBRARY_PATH" code
 if [ -f "$OUT_DIR/lib/python/_otbApplication.so" ] ; then
-  chmod +x $OUT_DIR/setup_python.sh
+  chmod +x "$OUT_DIR/setup_python.sh"
   ./setup_python.sh || setup_python_ret=$?
 fi
 
diff --git a/Utilities/Maintenance/SuperbuildDownloadList.sh b/Utilities/Maintenance/SuperbuildDownloadList.sh
index 6a658dfe43da0e8012040a227e48d31cec0d2902..da5c4cb21b1ef11fc29c35284ac361b4894d7827 100755
--- a/Utilities/Maintenance/SuperbuildDownloadList.sh
+++ b/Utilities/Maintenance/SuperbuildDownloadList.sh
@@ -45,7 +45,7 @@ if [[ "$GIT_BRANCH" =~ release-* ]]; then
 else
     VERSION="develop"
 fi
-CMAKE_FILES=$(find $SB_CMAKE_DIR -maxdepth 1 -type f -name "External_*")
+CMAKE_FILES=$(find "${SB_CMAKE_DIR}" -maxdepth 1 -type f -name "External_*")
 DOWNLOAD_LIST=$(grep -h -E '^[^#]*\"(ftp|http|https)://.*(\.tar\.gz|\.tar\.bz2|\.tgz|\.tar\.xz|\.zip|export=download).*\"' ${CMAKE_FILES} |
 		    grep -o -E '(ftp|http|https)://[^\"]*' | sort | uniq)