diff --git a/Modules/Compiler/PGI-Fortran.cmake b/Modules/Compiler/PGI-Fortran.cmake
index 3765079a1f..4783424369 100644
--- a/Modules/Compiler/PGI-Fortran.cmake
+++ b/Modules/Compiler/PGI-Fortran.cmake
@@ -1,6 +1,9 @@
 include(Compiler/PGI)
 __compiler_pgi(Fortran)
 
+set(CMAKE_Fortran_PREPROCESS_SOURCE
+  "<CMAKE_Fortran_COMPILER> -Mpreprocess <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
+
 set(CMAKE_Fortran_FORMAT_FIXED_FLAG "-Mnofreeform")
 set(CMAKE_Fortran_FORMAT_FREE_FLAG "-Mfreeform")