diff --git a/src/util/FFstrbuf.c b/src/util/FFstrbuf.c
index 0794bad66..f68440b44 100644
--- a/src/util/FFstrbuf.c
+++ b/src/util/FFstrbuf.c
@@ -49,6 +49,7 @@ void ffStrbufEnsureCapacity(FFstrbuf* strbuf, uint32_t capacity)
 
     if(capacity == UINT32_MAX)
     {
+        --capacity; //This is required to silence a gcc compiler warning
         fprintf(stderr, "Warning: ffStrbufEnsureCapacity called with UINT32_MAX. Highest allowed value is UINT32_MAX - 1. Exiting.\n");
         exit(812);
     }