diff --git a/src/runtime_src/core/tools/xbutil2/xbutil b/src/runtime_src/core/tools/xbutil2/xbutil
index d4ac1bd42a..875e8c2971 100755
--- a/src/runtime_src/core/tools/xbutil2/xbutil
+++ b/src/runtime_src/core/tools/xbutil2/xbutil
@@ -43,7 +43,7 @@ XRT_LOADER_DIR="`dirname \"$0\"`"
 
 # For edge platforms loader is not required as tools are in standard location(/usr).
 # So calling unwrapped tool from this script itself.
-if [[ $XRT_LOADER_DIR =~ "/usr" || $XRT_LOADER_DIR =~ "/bin" ]]; then
+if [[ $XRT_LOADER_DIR =~ ^(/usr|/bin) ]]; then
     "${XRT_LOADER_DIR}/unwrapped/${XRT_PROG}" "${XRTWRAP_PROG_ARGS[@]}"
     exit 0
 fi
diff --git a/src/runtime_src/core/tools/xbutil2/xrt-smi b/src/runtime_src/core/tools/xbutil2/xrt-smi
index 395ffc23f2..ec3626338b 100755
--- a/src/runtime_src/core/tools/xbutil2/xrt-smi
+++ b/src/runtime_src/core/tools/xbutil2/xrt-smi
@@ -35,7 +35,7 @@ XRT_LOADER_DIR="`dirname \"$0\"`"
 
 # For edge platforms loader is not required as tools are in standard location(/usr).
 # So calling unwrapped tool from this script itself.
-if [[ $XRT_LOADER_DIR =~ "/usr" || $XRT_LOADER_DIR =~ "/bin" ]]; then
+if [[ $XRT_LOADER_DIR =~ ^(/usr|/bin) ]]; then
     "${XRT_LOADER_DIR}/unwrapped/${XRT_PROG}" "${XRTWRAP_PROG_ARGS[@]}"
     exit 0
 fi