diff --git a/packages/perl/build.sh b/packages/perl/build.sh
index 20a558254..37220b200 100644
--- a/packages/perl/build.sh
+++ b/packages/perl/build.sh
@@ -76,7 +76,7 @@ termux_step_post_make_install() {
 	ln -f -s ../lib/perl5/${TERMUX_PKG_VERSION}/${TERMUX_ARCH}-android/CORE perl
 	cd ../lib/perl5/${TERMUX_PKG_VERSION}/${TERMUX_ARCH}-android/
 	chmod +w Config_heavy.pl
-	sed 's',"--sysroot=$TERMUX_STANDALONE_TOOLCHAIN"/sysroot,"-I/data/data/com.termux/files/usr/include",'g' Config_heavy.pl > Config_heavy.pl.new
-	sed 's',"$TERMUX_STANDALONE_TOOLCHAIN"/sysroot,"-I/data/data/com.termux/files",'g' Config_heavy.pl.new > Config_heavy.pl
+	sed 's',"--sysroot=$TERMUX_STANDALONE_TOOLCHAIN"/sysroot,"-I${TERMUX_PREFIX}/include",'g' Config_heavy.pl > Config_heavy.pl.new
+	sed 's',"$TERMUX_STANDALONE_TOOLCHAIN"/sysroot,"-I${TERMUX_PREFIX%%/usr}",'g' Config_heavy.pl.new > Config_heavy.pl
 	rm Config_heavy.pl.new
 }