diff --git a/meta/recipes-devtools/tcltk/tcl_9.0.0.bb b/meta/recipes-devtools/tcltk/tcl_9.0.0.bb
index a6e1dfbb5b..46e8e7d5c5 100644
--- a/meta/recipes-devtools/tcltk/tcl_9.0.0.bb
+++ b/meta/recipes-devtools/tcltk/tcl_9.0.0.bb
@@ -35,7 +35,7 @@ VER = "${PV}"
 inherit autotools ptest binconfig
 
 AUTOTOOLS_SCRIPT_PATH = "${S}/unix"
-EXTRA_OECONF = "--disable-rpath --enable-man-suffix"
+EXTRA_OECONF = "--disable-rpath --enable-man-suffix=tcl9"
 
 # Prevent installing copy of tzdata based on tzdata installation on the build host
 # It doesn't install tzdata if one of the following files exist on the host:
diff --git a/meta/recipes-devtools/tcltk8/tcl8_8.6.15.bb b/meta/recipes-devtools/tcltk8/tcl8_8.6.15.bb
index 9d1c724d64..928124148c 100644
--- a/meta/recipes-devtools/tcltk8/tcl8_8.6.15.bb
+++ b/meta/recipes-devtools/tcltk8/tcl8_8.6.15.bb
@@ -38,7 +38,7 @@ VER = "${PV}"
 inherit autotools ptest binconfig
 
 AUTOTOOLS_SCRIPT_PATH = "${S}/unix"
-EXTRA_OECONF = "--enable-threads --disable-rpath --enable-man-suffix"
+EXTRA_OECONF = "--enable-threads --disable-rpath --enable-man-suffix=tcl8"
 
 # Prevent installing copy of tzdata based on tzdata installation on the build host
 # It doesn't install tzdata if one of the following files exist on the host: