diff --git a/x11-packages/icewm/build.sh b/x11-packages/icewm/build.sh
index 102d2e66966c45..5c2270b2646021 100644
--- a/x11-packages/icewm/build.sh
+++ b/x11-packages/icewm/build.sh
@@ -3,6 +3,7 @@ TERMUX_PKG_DESCRIPTION="Window manager with goals of speed, simplicity, and usab
 TERMUX_PKG_LICENSE="LGPL-2.0-only"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION="3.8.1"
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL="https://github.com/ice-wm/icewm/releases/download/$TERMUX_PKG_VERSION/icewm-$TERMUX_PKG_VERSION.tar.lz"
 TERMUX_PKG_SHA256=3c525512b1e4f4cf7999a4687f1b82311d7448d8c174780b5efd3b8aafbfb4a2
 TERMUX_PKG_AUTO_UPDATE=true
@@ -19,4 +20,10 @@ termux_step_pre_configure() {
 	fi
 
 	LDFLAGS+=" -landroid-glob -landroid-wordexp"
+
+	# Every instance of '/usr' in the code is replaceable with '$TERMUX_PREFIX'.
+	find "$TERMUX_PKG_SRCDIR" -type f | \
+		xargs -n 1 sed -i \
+		-e "s|/usr|$TERMUX_PREFIX|g" \
+		-e "s|/etc|$TERMUX_PREFIX/etc|g"
 }