diff --git a/games-emulation/dosbox/patches/powf.patch b/games-emulation/dosbox/patches/powf.patch
index 5f3f309ae..ac3732b23 100644
--- a/games-emulation/dosbox/patches/powf.patch
+++ b/games-emulation/dosbox/patches/powf.patch
@@ -1,12 +1,11 @@
 diff --git a/configure.in b/configure.in
-index 016ea95..b114016 100644
+index 016ea95..f222548 100644
 --- a/configure.in
 +++ b/configure.in
-@@ -120,16 +120,6 @@ d_test.d_type = 0;
- }],[AC_MSG_RESULT(yes);AC_DEFINE(DIRENT_HAS_D_TYPE,1,[struct dirent has d_type])],AC_MSG_RESULT(no))
+@@ -121,13 +121,7 @@ d_test.d_type = 0;
  
  
--dnl Check for powf
+ dnl Check for powf
 -AC_MSG_CHECKING(for powf in libm);
 -LIBS_BACKUP=$LIBS;
 -LIBS="$LIBS -lm";
@@ -14,8 +13,7 @@ index 016ea95..b114016 100644
 -        powf(1.0f, 1.0f);
 -]])], [AC_MSG_RESULT(yes)], [AC_DEFINE([DB_HAVE_NO_POWF],[1],[libm doesn't include powf])])
 -LIBS=$LIBS_BACKUP
--
--
- dnl Checks for libraries.
++AC_SEARCH_LIBS([powf],[m], [AC_MSG_RESULT(yes)], [AC_DEFINE([DB_HAVE_NO_POWF],[1],[no powf function avalible])])
  
- #Check if the compiler support attributes
+ 
+ dnl Checks for libraries.