diff --git a/configure.ac b/configure.ac
index 0c105fcd598df696f9dc98822506b6049dfe329f..15b452ceceab3fda549aeac0d27c1b518f2bed09 100644
--- a/configure.ac
+++ b/configure.ac
@@ -286,8 +286,8 @@ AS_IF([test "x${enable_isoc}" = "xyes"],
 AC_SUBST([CDI_F90_INTERFACE_FCFLAGS])
 #  Check the module extension of the fortran compiler
 AS_IF([test -n "$FC" && test "X$FC" != "Xno"],
-  [ACX_SL_FC_MOD_SUFFIX(,[FCMODEXT=mod])
-   AM_CONDITIONAL([FORTRAN_MOD_UC],[test "x$FCMODCASE" = "xuc"])])
+  [ACX_SL_FC_MOD_SUFFIX(,[FCMODEXT=mod])])
+AM_CONDITIONAL([FORTRAN_MOD_UC],[test "x$FCMODCASE" = "xuc"])
 # -----------------------------------------------------------------------
 # Check for SWIG - Generator for script-language bindings
 AC_ARG_ENABLE(swig,