diff --git a/lib/common/zstd_common.c b/lib/common/zstd_common.c
index c4ec46fb9..262eeb232 100644
--- a/lib/common/zstd_common.c
+++ b/lib/common/zstd_common.c
@@ -76,8 +76,8 @@ const char* ZBUFF_getErrorName(size_t errorCode) { return ERR_getErrorName(error
 
 void* ZSTD_defaultAllocFunction(void* opaque, size_t size)
 {
-    (void)opaque;
     void* address = malloc(size);
+    (void)opaque;
     /* DISPLAYLEVEL(4, "alloc %p, %d opaque=%d \n", address, (int)size, (int)opaque); */
     return address;
 }
diff --git a/lib/common/zstd_internal.h b/lib/common/zstd_internal.h
index 63e56aaf0..8c647b511 100644
--- a/lib/common/zstd_internal.h
+++ b/lib/common/zstd_internal.h
@@ -255,4 +255,9 @@ const seqStore_t* ZSTD_getSeqStore(const ZSTD_CCtx* ctx);
 void ZSTD_seqToCodes(const seqStore_t* seqStorePtr, size_t const nbSeq);
 int ZSTD_isSkipFrame(ZSTD_DCtx* dctx);
 
+/* custom memory allocation functions */
+void* ZSTD_defaultAllocFunction(void* opaque, size_t size);
+void ZSTD_defaultFreeFunction(void* opaque, void* address);
+MEM_STATIC ZSTD_customMem const defaultCustomMem = { ZSTD_defaultAllocFunction, ZSTD_defaultFreeFunction, NULL };
+
 #endif   /* ZSTD_CCOMMON_H_MODULE */
diff --git a/lib/common/zstd_static.h b/lib/common/zstd_static.h
index b36e92c87..f452e6962 100644
--- a/lib/common/zstd_static.h
+++ b/lib/common/zstd_static.h
@@ -102,10 +102,6 @@ typedef void* (*ZSTD_allocFunction) (void* opaque, size_t size);
 typedef void  (*ZSTD_freeFunction) (void* opaque, void* address);
 typedef struct { ZSTD_allocFunction customAlloc; ZSTD_freeFunction customFree; void* opaque; } ZSTD_customMem;
 
-void* ZSTD_defaultAllocFunction(void* opaque, size_t size);
-void ZSTD_defaultFreeFunction(void* opaque, void* address);
-static ZSTD_customMem const defaultCustomMem = { ZSTD_defaultAllocFunction, ZSTD_defaultFreeFunction, NULL };
-
 
 /*-*************************************
 *  Advanced functions