diff --git a/src/ld65/o65.c b/src/ld65/o65.c
index c6c90b428..d2385be5a 100644
--- a/src/ld65/o65.c
+++ b/src/ld65/o65.c
@@ -135,7 +135,6 @@ struct O65Option {
 };
 
 /* A o65 relocation table */
-#define RELOC_BLOCKSIZE	4096
 typedef struct O65RelocTab O65RelocTab;
 struct O65RelocTab {
     unsigned 	    Size;   	       	/* Size of the table */
@@ -480,10 +479,12 @@ static void O65RelocPutByte (O65RelocTab* R, unsigned B)
     /* Do we have enough space in the buffer? */
     if (R->Fill == R->Size) {
     	/* We need to grow the buffer */
-       	unsigned char* NewBuf = xmalloc (R->Size + RELOC_BLOCKSIZE);
+        unsigned NewSize = (R->Size == 0)? 1024 : R->Size * 2;
+       	unsigned char* NewBuf = xmalloc (NewSize);
     	memcpy (NewBuf, R->Buf, R->Size);
     	xfree (R->Buf);
-    	R->Buf = NewBuf;
+        R->Size = NewSize;
+    	R->Buf  = NewBuf;
     }
 
     /* Put the byte into the buffer */