diff --git a/tools/binman/main.py b/tools/binman/main.py
index a5793d5d2313c5c21f0c2c360f1ad3bf00ea25d1..e543a7d06a7a5957fdbdf4f04bb71e6c07effb81 100755
--- a/tools/binman/main.py
+++ b/tools/binman/main.py
@@ -113,6 +113,11 @@ def RunBinman(args):
     if not args.debug:
         sys.tracebacklimit = 0
 
+    # Provide a default toolpath in the hope of finding a mkimage built from
+    # current source
+    if not args.toolpath:
+        args.toolpath = ['./tools', 'build-sandbox/tools']
+
     if args.cmd == 'test':
         if args.test_coverage:
             RunTestCoverage(args.toolpath)