diff --git a/ParLib.src/CMakeLists.txt b/ParLib.src/CMakeLists.txt
index 5f9fe6b3a7de95e33f780e15ea59cc5129850841..bc239e3e60c1c10f92df45476014833b43ba4e72 100644
--- a/ParLib.src/CMakeLists.txt
+++ b/ParLib.src/CMakeLists.txt
@@ -85,13 +85,12 @@ if(BUILD_STATIC_LIBS)
         add_definitions(-DFORTRANUNDERSCORE)
     elseif(FORTRANDOUBLEUNDERSCORE)
         add_definitions(-DFORTRANDOUBLEUNDERSCORE)
-    else()
+    endif()
     include(FortranCInterface)
     FortranCInterface_VERIFY()
     FortranCInterface_HEADER(${CMAKE_CURRENT_SOURCE_DIR}/FC.h MACRO_NAMESPACE "FC_")
     message(STATUS "FORTRAN_C_INTEFACE TEST:    ${FortranCInterface_VERIFIED_C}")
     add_definitions(-DFC_MANGLE=1)
-    endif()
     add_library(parlibf-static STATIC "")
     target_sources( parlibf-static
             PRIVATE
diff --git a/ParLib.src/parlibf.c b/ParLib.src/parlibf.c
index ee54da83165bcbe76b48b586d5f3344848cf7f24..e2be42001110f1ce16faa358e5bcb01eedca6540 100644
--- a/ParLib.src/parlibf.c
+++ b/ParLib.src/parlibf.c
@@ -1,8 +1,6 @@
 #include <stdlib.h>
 #include "parlib.h"
-#ifdef FC_MANGLE
-# include "FC.h"
-#endif
+#include "FC.h"
 // ParLib v1.8 initialization
 // -------------------------------------------------------------------------- //
 #ifdef FORTRANUNDERSCORE