--- src/memory.c.dist	2006-12-03 23:23:58.000000000 +0200
+++ src/memory.c	2006-12-03 23:24:27.000000000 +0200
@@ -80,7 +80,7 @@
 #ifdef DETAIL_MEMORY_DEBUG
     fprintf(stderr, "Allocated %i at %p\n", size, ptr);
 #endif
-    if (!ptr)
+    if (!ptr && size)
         PANIC("Out of mem");
     return ptr;
 }
@@ -93,7 +93,7 @@
     fprintf(stderr, "Internal malloc %i at %p (%s/%d)\n",
             size, ptr, file, line);
 #endif
-    if (!ptr)
+    if (!ptr && size)
         PANIC("Out of mem");
     return ptr;
 }