diff --git a/acinclude.m4.in b/acinclude.m4.in
index 5c4a388..f737f94 100644
--- a/acinclude.m4.in
+++ b/acinclude.m4.in
@@ -2320,7 +2320,7 @@ if test $kde_qtver = 4; then
    AC_SUBST(LIB_SMB, "-lsmb")
    AC_SUBST(LIB_KAB, "-lkab")
    AC_SUBST(LIB_KABC, "-lkabc")
-   AC_SUBST(LIB_KHTML, "-ltdehtml")
+   AC_SUBST(LIB_TDEHTML, "-ltdehtml")
    AC_SUBST(LIB_KSPELL, "-ltdespell")
    AC_SUBST(LIB_KPARTS, "-ltdeparts")
    AC_SUBST(LIB_TDEPRINT, "-ltdeprint")
@@ -2346,7 +2346,7 @@ elif test $kde_qtver = 3; then
    AC_SUBST(LIB_SMB, "-lsmb")
    AC_SUBST(LIB_KAB, "-lkab")
    AC_SUBST(LIB_KABC, "-lkabc")
-   AC_SUBST(LIB_KHTML, "-ltdehtml")
+   AC_SUBST(LIB_TDEHTML, "-ltdehtml")
    AC_SUBST(LIB_KSPELL, "-ltdespell")
    AC_SUBST(LIB_KPARTS, "-ltdeparts")
    AC_SUBST(LIB_TDEPRINT, "-ltdeprint")
@@ -2367,7 +2367,7 @@ elif test $kde_qtver = 2; then
    AC_SUBST(LIB_SMB, "-lsmb")
    AC_SUBST(LIB_KFILE, "-ltdefile")
    AC_SUBST(LIB_KAB, "-lkab")
-   AC_SUBST(LIB_KHTML, "-ltdehtml")
+   AC_SUBST(LIB_TDEHTML, "-ltdehtml")
    AC_SUBST(LIB_KSPELL, "-ltdespell")
    AC_SUBST(LIB_KPARTS, "-ltdeparts")
    AC_SUBST(LIB_TDEPRINT, "-ltdeprint")