diff --git a/bin/gbuild-to-ide b/bin/gbuild-to-ide
index 366b808f6e93..0c6b2b6bd3a2 100755
--- a/bin/gbuild-to-ide
+++ b/bin/gbuild-to-ide
@@ -95,7 +95,7 @@ class GbuildParser:
     @staticmethod
     def __split_defs(defsline):
         defs = {}
-        alldefs = [defswitch.strip() for defswitch in defsline.strip().split(' -D') if len(defswitch) > 2]
+        alldefs = [defswitch.strip() for defswitch in defsline.strip().lstrip('-D').split(' -D') if len(defswitch) > 2]
         for d in alldefs:
             defparts = d.split('=')
             if len(defparts) == 1: