diff --git a/libwvdrmengine/cdm/core/src/oemcrypto_adapter_dynamic.cpp b/libwvdrmengine/cdm/core/src/oemcrypto_adapter_dynamic.cpp
index e3633a2c..194b2ee6 100644
--- a/libwvdrmengine/cdm/core/src/oemcrypto_adapter_dynamic.cpp
+++ b/libwvdrmengine/cdm/core/src/oemcrypto_adapter_dynamic.cpp
@@ -885,6 +885,16 @@ class Adapter {
     LOOKUP_ALL(16, MinorAPIVersion,            OEMCrypto_MinorAPIVersion);
     // clang-format on
 
+    // There was a mistake in version 16.3 of the header that did not rename
+    // OEMCrypto_AllocateSecureBuffer or OEMCrypto_FreeSecureBuffer
+    if (level1_.AllocateSecureBuffer == NULL ||
+        level1_.FreeSecureBuffer == NULL) {
+      level1_.AllocateSecureBuffer = (L1_AllocateSecureBuffer_t)dlsym(
+          level1_library_, "OEMCrypto_AllocateSecureBuffer");
+      level1_.FreeSecureBuffer = (L1_FreeSecureBuffer_t)dlsym(
+          level1_library_, "OEMCrypto_FreeSecureBuffer");
+    }
+
     // TODO(119830252): make the code below available to a static adapter.
     // Check if the keybox or oem certificate is valid, if so, we are finished
     // with initialization.