diff --git a/sys-devel/dwz/dwz-0.15-r4.ebuild b/sys-devel/dwz/dwz-0.15-r4.ebuild
index 96ce05dabb125..5ca87a13592a6 100644
--- a/sys-devel/dwz/dwz-0.15-r4.ebuild
+++ b/sys-devel/dwz/dwz-0.15-r4.ebuild
@@ -65,13 +65,13 @@ src_compile() {
 		export LIBS="${LIBS} $(${PKG_CONFIG} --libs obstack-standalone error-standalone)"
 	fi
 
-	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}"
+	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" prefix="${EPREFIX}/usr"
 }
 
 src_test() {
-	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" check
+	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" prefix="${EPREFIX}/usr" check
 }
 
 src_install() {
-	emake DESTDIR="${D}" CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" install
+	emake DESTDIR="${D}" CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" prefix="${EPREFIX}/usr" install
 }
diff --git a/sys-devel/dwz/dwz-0.15-r5.ebuild b/sys-devel/dwz/dwz-0.15-r5.ebuild
index 6d6533ae4965e..5c18810b74930 100644
--- a/sys-devel/dwz/dwz-0.15-r5.ebuild
+++ b/sys-devel/dwz/dwz-0.15-r5.ebuild
@@ -65,13 +65,13 @@ src_compile() {
 		export LIBS="${LIBS} $(${PKG_CONFIG} --libs obstack-standalone error-standalone)"
 	fi
 
-	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}"
+	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" prefix="${EPREFIX}/usr"
 }
 
 src_test() {
-	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" check
+	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" prefix="${EPREFIX}/usr" check
 }
 
 src_install() {
-	emake DESTDIR="${D}" CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" install
+	emake DESTDIR="${D}" CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" prefix="${EPREFIX}/usr" install
 }
diff --git a/sys-devel/dwz/dwz-9999.ebuild b/sys-devel/dwz/dwz-9999.ebuild
index 4fee7e3d80aa8..41768393967fe 100644
--- a/sys-devel/dwz/dwz-9999.ebuild
+++ b/sys-devel/dwz/dwz-9999.ebuild
@@ -59,13 +59,13 @@ src_compile() {
 		export LIBS="${LIBS} $(${PKG_CONFIG} --libs obstack-standalone error-standalone)"
 	fi
 
-	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}"
+	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" prefix="${EPREFIX}/usr"
 }
 
 src_test() {
-	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" check
+	emake CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" prefix="${EPREFIX}/usr" check
 }
 
 src_install() {
-	emake DESTDIR="${D}" CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" install
+	emake DESTDIR="${D}" CFLAGS="${CFLAGS}" LIBS="${LIBS}" srcdir="${S}" prefix="${EPREFIX}/usr" install
 }