diff --git a/opengl/libs/Android.mk b/opengl/libs/Android.mk
index eea79f8..31bfcd7 100644
--- a/opengl/libs/Android.mk
+++ b/opengl/libs/Android.mk
@@ -57,6 +57,10 @@
   LOCAL_CFLAGS += -DMAX_EGL_CACHE_ENTRY_SIZE=$(MAX_EGL_CACHE_ENTRY_SIZE)
 endif
 
+ifneq ($(MAX_EGL_CACHE_KEY_SIZE),)
+  LOCAL_CFLAGS += -DMAX_EGL_CACHE_KEY_SIZE=$(MAX_EGL_CACHE_KEY_SIZE)
+endif
+
 ifneq ($(MAX_EGL_CACHE_SIZE),)
   LOCAL_CFLAGS += -DMAX_EGL_CACHE_SIZE=$(MAX_EGL_CACHE_SIZE)
 endif
diff --git a/opengl/libs/EGL/egl_cache.cpp b/opengl/libs/EGL/egl_cache.cpp
index ed2bef3..72655df 100644
--- a/opengl/libs/EGL/egl_cache.cpp
+++ b/opengl/libs/EGL/egl_cache.cpp
@@ -29,12 +29,16 @@
 #define MAX_EGL_CACHE_ENTRY_SIZE (16 * 1024);
 #endif
 
+#ifndef MAX_EGL_CACHE_KEY_SIZE
+#define MAX_EGL_CACHE_KEY_SIZE (1024);
+#endif
+
 #ifndef MAX_EGL_CACHE_SIZE
 #define MAX_EGL_CACHE_SIZE (64 * 1024);
 #endif
 
 // Cache size limits.
-static const size_t maxKeySize = 1024;
+static const size_t maxKeySize = MAX_EGL_CACHE_KEY_SIZE;
 static const size_t maxValueSize = MAX_EGL_CACHE_ENTRY_SIZE;
 static const size_t maxTotalSize = MAX_EGL_CACHE_SIZE;