diff --git a/src/SDL_log.c b/src/SDL_log.c
index ae39c0b7da..d9b9733dc9 100644
--- a/src/SDL_log.c
+++ b/src/SDL_log.c
@@ -612,15 +612,21 @@ void SDL_LogMessageV(int category, SDL_LogPriority priority, SDL_PRINTF_FORMAT_S
     }
 
     // If message truncated, allocate and re-render
-    if (len >= sizeof(stack_buf) && SDL_size_add_check_overflow(len, 1, &len_plus_term)) {
-        // Allocate exactly what we need, including the zero-terminator
-        message = (char *)SDL_malloc(len_plus_term);
-        if (!message) {
-            return;
+    if (len >= sizeof(stack_buf)) {
+        if (SDL_size_add_check_overflow(len, 1, &len_plus_term)) {
+            // Allocate exactly what we need, including the zero-terminator
+            message = (char *)SDL_malloc(len_plus_term);
+            if (!message) {
+                return;
+            }
+            va_copy(aq, ap);
+            len = SDL_vsnprintf(message, len_plus_term, fmt, aq);
+            va_end(aq);
+        } else {
+            // Allocation would overflow, use truncated message
+            message = stack_buf;
+            len = sizeof(stack_buf);
         }
-        va_copy(aq, ap);
-        len = SDL_vsnprintf(message, len_plus_term, fmt, aq);
-        va_end(aq);
     } else {
         message = stack_buf;
     }