--- old/jdk/make/lib/Awt2dLibraries.gmk	2016-05-12 13:06:03.774548820 +0200
+++ new/jdk/make/lib/Awt2dLibraries.gmk	2016-05-12 13:06:03.542539106 +0200
@@ -224,9 +224,9 @@
   endif
 
   ifdef OPENJDK
-    LIBAWT_RC_FLAGS := -i "$(JDK_TOPDIR)/src/java.base/windows/native/launcher/icons"
+    LIBAWT_RC_FLAGS := -I "$(JDK_TOPDIR)/src/java.base/windows/native/launcher/icons"
   else
-    LIBAWT_RC_FLAGS := -i "$(JDK_TOPDIR)/src/closed/java.base/windows/native/launcher/icons"
+    LIBAWT_RC_FLAGS := -I "$(JDK_TOPDIR)/src/closed/java.base/windows/native/launcher/icons"
   endif
   LIBAWT_VERSIONINFO_RESOURCE := $(JDK_TOPDIR)/src/java.desktop/windows/native/libawt/windows/awt.rc
 endif