diff --git a/modules/ccache.cmake b/modules/ccache.cmake
index 1bcaf1e..3979fa2 100644
--- a/modules/ccache.cmake
+++ b/modules/ccache.cmake
@@ -13,7 +13,7 @@
 # autocmake.yml configuration::
 #
 #   docopt: "--ccache=<USE_CCACHE> Toggle use of ccache <ON/OFF> [default: ON]."
-#   define: "'-DUSE_CCACHE=\"{0}\"'.format(arguments['--ccache'])"
+#   define: "'-DUSE_CCACHE={0}'.format(arguments['--ccache'])"
 
 if(USE_CCACHE)
     find_program(CCACHE_FOUND ccache)
diff --git a/modules/code_coverage.cmake b/modules/code_coverage.cmake
index a685cf5..650f983 100644
--- a/modules/code_coverage.cmake
+++ b/modules/code_coverage.cmake
@@ -11,7 +11,7 @@
 # autocmake.yml configuration::
 #
 #   docopt: "--coverage Enable code coverage [default: False]."
-#   define: "'-DENABLE_CODE_COVERAGE=\"{0}\"'.format(arguments['--coverage'])"
+#   define: "'-DENABLE_CODE_COVERAGE={0}'.format(arguments['--coverage'])"
 
 option(ENABLE_CODE_COVERAGE "Enable code coverage" OFF)
 
diff --git a/modules/fc_optional.cmake b/modules/fc_optional.cmake
index 8019c08..c7cf6c6 100644
--- a/modules/fc_optional.cmake
+++ b/modules/fc_optional.cmake
@@ -35,7 +35,7 @@
 #   export: "'FC={0}'.format(arguments['--fc'])"
 #   define:
 #     - "'-DEXTRA_FCFLAGS=\"{0}\"'.format(arguments['--extra-fc-flags'])"
-#     - "'-DENABLE_FC_SUPPORT=\"{0}\"'.format(arguments['--fc-support'])"
+#     - "'-DENABLE_FC_SUPPORT={0}'.format(arguments['--fc-support'])"
 
 option(ENABLE_FC_SUPPORT "Enable Fortran language support" ON)