diff --git a/libs/video/renderer/sw/sw_rpart.c b/libs/video/renderer/sw/sw_rpart.c
index 1b0c2b5e1..52feecd42 100644
--- a/libs/video/renderer/sw/sw_rpart.c
+++ b/libs/video/renderer/sw/sw_rpart.c
@@ -67,7 +67,8 @@ R_ClearParticles (void)
 
 	for (i = 0; i < r_maxparticles; i++)
 		particles[i].next = &particles[i + 1];
-	particles[r_maxparticles - 1].next = NULL;
+	if (r_maxparticles)
+		particles[r_maxparticles - 1].next = NULL;
 }
 
 void
diff --git a/libs/video/renderer/sw32/sw32_rpart.c b/libs/video/renderer/sw32/sw32_rpart.c
index 141c4a8ed..4530d07d6 100644
--- a/libs/video/renderer/sw32/sw32_rpart.c
+++ b/libs/video/renderer/sw32/sw32_rpart.c
@@ -67,7 +67,8 @@ R_ClearParticles (void)
 
 	for (i = 0; i < r_maxparticles; i++)
 		particles[i].next = &particles[i + 1];
-	particles[r_maxparticles - 1].next = NULL;
+	if (r_maxparticles)
+		particles[r_maxparticles - 1].next = NULL;
 }
 
 void