diff --git a/src/doom/crlfunc.c b/src/doom/crlfunc.c
index 03e78de9..306c8f6b 100644
--- a/src/doom/crlfunc.c
+++ b/src/doom/crlfunc.c
@@ -581,7 +581,7 @@ void CRL_StatDrawer (void)
 
 void CRL_DrawFPS (void)
 {
-    char fps[4];
+    char fps[8];
     char fps_str[4];
 
     sprintf(fps, "%d", CRL_fps);
diff --git a/src/heretic/crlfunc.c b/src/heretic/crlfunc.c
index 510d7ddc..f0adc1c3 100644
--- a/src/heretic/crlfunc.c
+++ b/src/heretic/crlfunc.c
@@ -448,7 +448,7 @@ void CRL_StatDrawer (void)
 
 void CRL_DrawFPS (void)
 {
-    char fps[4];
+    char fps[8];
     char fps_str[4];
 
     sprintf(fps, "%d", CRL_fps);