diff --git a/pyenv.d/exec/pip-rehash.bash b/pyenv.d/exec/pip-rehash.bash
index 4cfca0b1..79f96721 100644
--- a/pyenv.d/exec/pip-rehash.bash
+++ b/pyenv.d/exec/pip-rehash.bash
@@ -6,9 +6,13 @@ if [[ $PYENV_REHASH_COMMAND =~ ^(pip|easy_install)[23](\.\d)?$ ]]; then
   PYENV_REHASH_COMMAND="${BASH_REMATCH[1]}"
 fi
 
-if [[ $1 == "python" && $2 == "-m" && $3 == "pip" ]]; then
-  PYENV_REHASH_COMMAND="pip"
-fi
+for (( i=1; i<$#; i++ )); do
+  next=$((i+1))
+  if [[ ${!i} == "-m" && ${!next} == "pip" ]]; then
+    PYENV_REHASH_COMMAND="pip"
+    break
+  fi
+done
 
 if [ -x "${PYENV_PIP_REHASH_ROOT}/${PYENV_REHASH_COMMAND}" ]; then
   PYENV_COMMAND_PATH="${PYENV_PIP_REHASH_ROOT}/${PYENV_REHASH_COMMAND##*/}"