diff --git a/platformio/builder/scripts/frameworks/libopencm3.py b/platformio/builder/scripts/frameworks/libopencm3.py
index 2ae27f72..e48e61a3 100644
--- a/platformio/builder/scripts/frameworks/libopencm3.py
+++ b/platformio/builder/scripts/frameworks/libopencm3.py
@@ -56,7 +56,6 @@ def find_ldscript(src_dir):
     elif isfile(join(src_dir, BOARD_BUILDOPTS['ldscript'])):
         ldscript = join(src_dir, BOARD_BUILDOPTS['ldscript'])
 
-    assert isfile(ldscript)
     return ldscript
 
 
@@ -169,7 +168,8 @@ if BOARD_BUILDOPTS.get("core") == "stm32":
     root_dir = join(root_dir, BOARD_BUILDOPTS.get("variant")[5:7])
 
 ldscript_path = find_ldscript(root_dir)
-merge_ld_scripts(ldscript_path)
+if ldscript_path:
+    merge_ld_scripts(ldscript_path)
 generate_nvic_files()
 
 # override ldscript by libopencm3