diff --git a/supervisor/process.py b/supervisor/process.py
index b01717585..72fca73fb 100644
--- a/supervisor/process.py
+++ b/supervisor/process.py
@@ -116,7 +116,11 @@ def get_execv_args(self):
             raise BadCommand("command is empty")
 
         if "/" in program:
-            filename = program
+            if program.startswith('/'):
+                filename = program
+            else:
+                filename = os.path.join(self.config.directory, program)
+
             try:
                 st = self.config.options.stat(filename)
             except OSError: