diff --git a/build.sh b/build.sh
index 7ca8e759..2c61ea86 100755
--- a/build.sh
+++ b/build.sh
@@ -1,8 +1,8 @@
 #!/bin/sh
 
 ndk-build NDK_TOOLCHAIN_VERSION=4.8 NDK_DEBUG=0 V=0 XASH_SDL=0 -j 8 APP_CFLAGS="-w -Wl,--no-undefined" APP_LDFLAGS="-Wl,--no-undefined"
-sh gen-config.sh release sign
-sh gen-version.sh default-release
+./gen-config.sh release sign
+./gen-version.sh default-release
 rm assets/extras.pak 2>/dev/null
 python2 makepak.py xash-extras assets/extras.pak
 ant release
diff --git a/gen-config.sh b/gen-config.sh
index e92ebcfd..1029802b 100755
--- a/gen-config.sh
+++ b/gen-config.sh
@@ -1,13 +1,18 @@
-#!/bin/sh
+#!/bin/bash
+
 git update-index --assume-unchanged src/in/celest/xash3d/XashConfig.java
 PKG_TEST=false
 if [[ $* =~ "test" ]] ; then  export PKG_TEST=true; fi
+
 CHECK_SIGNATURES=false
 if [[ $* =~ "sign" ]] ; then  export CHECK_SIGNATURES=true; fi
+
 RELEASE=false
 if [[ $* =~ "release" ]] ; then  export RELEASE=true; fi
+
 GP_VERSION=false
 if [[ $* =~ "gp" ]] ; then  export GP_VERSION=true; fi
+
 _V="public static final boolean"
 echo package in.celest.xash3d\; >src/in/celest/xash3d/XashConfig.java
 echo public class XashConfig { >>src/in/celest/xash3d/XashConfig.java
diff --git a/gen-version.sh b/gen-version.sh
index ce2ef2a0..ad1c184b 100755
--- a/gen-version.sh
+++ b/gen-version.sh
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 git update-index --assume-unchanged res/values/git-rev.xml
 echo '<?xml version="1.0" encoding="utf-8"?>' > res/values/git-rev.xml
 echo '<resources>' >> res/values/git-rev.xml