diff --git a/metadata/org.linphone.txt b/metadata/org.linphone.txt
index 4315f4161c..720aa7f10f 100644
--- a/metadata/org.linphone.txt
+++ b/metadata/org.linphone.txt
@@ -71,11 +71,13 @@ Build:2.2.1.1,2211
     build=make generate-libs BUILD_SILK=0 BUILD_AMRNB=light BUILD_GPLV3_ZRTP=1 BUILD_G729=0 BUILD_TUNNEL=0
     buildjni=no
 
+#note: first prebuild operation is only needed to build openh264 with android NDK r9b which misses some headers for API 12
 Build:2.3.2-fdroid,2302
     disable=wait for NDK r10d
     commit=0f4de68
     submodules=yes
-    prebuild= find submodules/externals/antlr3/runtime/ -mindepth 1 -maxdepth 1 -not -name "C" -exec rm -r {} \; && \
+    prebuild= sed -i  's/NDKLEVEL = 12/NDKLEVEL = 13/' submodules/externals/openh264/build/platform-android.mk && \
+        find submodules/externals/antlr3/runtime/ -mindepth 1 -maxdepth 1 -not -name "C" -exec rm -r {} \; && \
         rm -rf gradle liblinphone_tester tests && \
         rm -rf submodules/externals/antlr3/antlr-3.4-complete.jar && \
         rm -rf submodules/externals/antlr3/antlr-ant && \