diff --git a/doc/sphinx/CMakeLists.txt b/doc/sphinx/CMakeLists.txt
index c860c0a66f5dc1e09e3f6e2c2271747c1a99c6fc..9b1373a70ec74ab1ba6c731c69f0620f9eb30b9e 100644
--- a/doc/sphinx/CMakeLists.txt
+++ b/doc/sphinx/CMakeLists.txt
@@ -15,9 +15,9 @@ add_custom_target(sphinx-html ALL
     COMMAND "${SPHINX_EXECUTABLE}"
         -b html
         -d "${SPHINX_BUILD_DIR}"
+        -c html/
         "${PROJECT_SOURCE_DIR}/doc/sphinx"
         "${SPHINX_HTML_DIR}"
-        -c html/
     COMMENT "Building HTML documentation with Sphinx"
 )
 
@@ -25,8 +25,8 @@ add_custom_target(sphinx-singlehtml ALL
     COMMAND "${SPHINX_EXECUTABLE}"
         -b singlehtml
         -d "${SPHINX_BUILD_DIR}"
+        -c singlehtml/
         "${PROJECT_SOURCE_DIR}/doc/sphinx"
         "${SPHINX_HTML_DIR}"
-        -c singlehtml/
     COMMENT "Building HTML documentation with Sphinx"
 )