diff --git a/ctest/Makefile b/ctest/Makefile
index 2a893cae8..15c83a907 100644
--- a/ctest/Makefile
+++ b/ctest/Makefile
@@ -212,6 +212,9 @@ ifeq ($(C_COMPILER), CLANG)
 CEXTRALIB = -lomp
 endif
 endif
+ifeq ($(F_COMPILER), NAG)
+CEXTRALIB = -lgomp
+endif
 endif
 
 ifeq ($(BUILD_SINGLE),1)