diff --git a/cmake/modules/FindXSLTPROC.cmake b/cmake/modules/FindXSLTPROC.cmake
index 6b660fa7ee..5f851c7239 100644
--- a/cmake/modules/FindXSLTPROC.cmake
+++ b/cmake/modules/FindXSLTPROC.cmake
@@ -127,6 +127,7 @@ MACRO(XML2HTML _target_dep _dir_pfx _mode _dbk_source _gfx_sources)
             ${_STYLESHEET}
             ${_dbk_source}
         DEPENDS
+            ${_dbk_source}
             ${_dbk_dep}
             #${_validated}
             ${_gfx_deps}
@@ -172,6 +173,7 @@ MACRO(XML2PDF _target_dep _output _dbk_source _stylesheet _paper)
             ${_output}.fo
             ${_output}
         DEPENDS
+            ${_dbk_source}
             ${_dbk_dep}
             ${_stylesheet}
     )
@@ -217,6 +219,7 @@ MACRO(XML2HHP _target_dep _guide _docbooksource)
             --nonet custom_layer_chm.xsl
             ${_docbook_plain_title}
         DEPENDS
+            ${_docbooksource}
             ${_dbk_dep}
             # AsciiDoc uses UTF-8 by default, which is unsupported by HTML
             # Help. We may want to render an ISO-8859-1 version, or get rid