diff --git a/mkspecs/common/android-base-tail.conf b/mkspecs/common/android-base-tail.conf
index 2610918c4e..3f1b414d3f 100644
--- a/mkspecs/common/android-base-tail.conf
+++ b/mkspecs/common/android-base-tail.conf
@@ -15,8 +15,14 @@ QMAKE_CFLAGS += --sysroot=$$ANDROID_PLATFORM_ROOT_PATH
 QMAKE_CFLAGS_WARN_ON    = -Wall -W
 QMAKE_CFLAGS_WARN_OFF   =
 equals(ANDROID_TARGET_ARCH, armeabi-v7a) | equals(ANDROID_TARGET_ARCH, armeabi) {
-    QMAKE_CFLAGS_RELEASE                   = -Os
-    QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO    = -g -Os
+    contains(QMAKE_COMPILER, clang) {
+        QMAKE_CFLAGS_RELEASE                   = -Oz
+        QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO    = -g -Oz
+    } else {
+        QMAKE_CFLAGS_RELEASE                   = -Os
+        QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO    = -g -Os
+    }
+
     QMAKE_CFLAGS_DEBUG                     = -g -marm -O0
     equals(ANDROID_TARGET_ARCH, armeabi):if(equals(NDK_TOOLCHAIN_VERSION, 4.8)|equals(NDK_TOOLCHAIN_VERSION, 4.9)) {
         DEFINES += QT_OS_ANDROID_GCC_48_WORKAROUND