diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7e26a0f0f..1320f5c3e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -244,7 +244,7 @@ if (PIO_ENABLE_COVERAGE)
 endif ()
 
 # Allow argument mismatch in gfortran versions > 10 for mpi library compatibility
-if (CMAKE_C_COMPILER_NAME STREQUAL "GNU")
+if (CMAKE_Fortran_COMPILER_NAME STREQUAL "GNU")
   if ("${CMAKE_Fortran_COMPILER_VERSION}" VERSION_LESS 10)
     message (WARNING "gfortran version is ${CMAKE_Fortran_COMPILER_VERSION}")
   else()