diff --git a/src/qutescript/installer.py b/src/qutescript/installer.py
index fb98c23..7ed4179 100644
--- a/src/qutescript/installer.py
+++ b/src/qutescript/installer.py
@@ -20,6 +20,15 @@ def setup_permissions(path):
     os.chmod(path, file_stat.st_mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
 
 
+def get_interpreter():
+    interpreter = sys.executable
+    if interpreter.startswith('/usr') or interpreter.startswith('/opt'):
+        interpreter = ''
+    else:
+        interpreter = interpreter + ' '
+    return interpreter
+
+
 def install(path, name=None):
     """
     Sets permissions for qutescript at path and returns
@@ -27,11 +36,7 @@ def install(path, name=None):
     """
     path = os.path.abspath(os.path.expanduser(path))
     name = name or os.path.basename(path)
-    interpreter = sys.executable
-    if interpreter.startswith('/usr') or interpreter.startswith('/opt'):
-        interpreter = ''
-    else:
-        interpreter = interpreter + ' '
+    interpreter = get_interpreter()
     setup_permissions(path)
 
     return TEMPLATE.format(path=path, name=name, interpreter=interpreter)