diff --git a/meta/lib/oe/sstatesig.py b/meta/lib/oe/sstatesig.py
index 1f97606763..826549948e 100644
--- a/meta/lib/oe/sstatesig.py
+++ b/meta/lib/oe/sstatesig.py
@@ -418,6 +418,9 @@ def find_siginfo(pn, taskname, taskhashlist, d):
     if pn.startswith("gcc-source"):
         # gcc-source shared workdir is a special case :(
         stamp = localdata.expand("${STAMPS_DIR}/work-shared/gcc-${PV}-${PR}")
+    elif pn.startswith("llvm-project-source"):
+        # llvm-project-source shared workdir is also a special case :*(
+        stamp = localdata.expand("${STAMPS_DIR}/work-shared/llvm-project-source-${PV}-${PR}")
 
     filespec = '%s.%s.sigdata.*' % (stamp, taskname)
     foundall = False