diff --git a/v2/tools/pgi.jam b/v2/tools/pgi.jam
index 7d42f87a0..ca220235e 100644
--- a/v2/tools/pgi.jam
+++ b/v2/tools/pgi.jam
@@ -43,7 +43,8 @@ rule init ( version ? : command * : options * )
   flags pgi.link FINDLIBS-ST : [
     feature.get-values <find-static-library> : $(options) ] : unchecked ;
 
-  flags pgi.link FINDLIBS-SA : [
+  # always link lib rt to resolve clock_gettime()
+  flags pgi.link FINDLIBS-SA : rt [
     feature.get-values <find-shared-library> : $(options) ] : unchecked ;
 
   gcc.init-link-flags pgi gnu $(condition) ;
@@ -100,7 +101,6 @@ flags pgi.link OPTIONS <link>shared : -fpic ;
 flags pgi.link LINKPATH <library-path> ;
 flags pgi.link FINDLIBS-ST <find-static-library> ;
 flags pgi.link FINDLIBS-SA <find-shared-library> ;
-flags pgi.link FINDLIBS-SA <threading>single : rt ;
 flags pgi.link FINDLIBS-SA <threading>multi : pthread rt ;
 flags pgi.link LIBRARIES <library-file> ;
 flags pgi.link LINK-RUNTIME <runtime-link>static : static ;