diff --git a/app-forensics/libewf/libewf-20140608.ebuild b/app-forensics/libewf/libewf-20140608.ebuild
index ff2d76a..91801e0 100644
--- a/app-forensics/libewf/libewf-20140608.ebuild
+++ b/app-forensics/libewf/libewf-20140608.ebuild
@@ -4,7 +4,7 @@
 
 EAPI=5
 
-inherit autotools-utils
+inherit autotools-utils flag-o-matic
 
 DESCRIPTION="Implementation of the EWF (SMART and EnCase) image format"
 HOMEPAGE="https://github.com/libyal/libewf"
@@ -30,6 +30,10 @@ AUTOTOOLS_IN_SOURCE_BUILD=1
 
 DOCS=( AUTHORS ChangeLog NEWS README documents/header.txt documents/header2.txt )
 
+src_prepare() {
+	append-cflags -fgnu89-inline
+}
+
 src_configure() {
 	local myeconfargs=(
 		$(use_enable debug debug-output)