diff --git a/build/pack.c b/build/pack.c

index ab72750be..e6cec1816 100644

--- a/build/pack.c

+++ b/build/pack.c

@@ -713,6 +713,7 @@ static rpmRC packageBinary(rpmSpec spec, Package pkg, const char *cookie, int ch

     }

     /* Copy changelog from src rpm */

+    #pragma omp critical

     headerCopyTags(spec->sourcePackage->header, pkg->header, copyTags);

     headerPutString(pkg->header, RPMTAG_RPMVERSION, VERSION);