From f228edefd3d7848d18115765ef01ce63cb4f7395 Mon Sep 17 00:00:00 2001
From: cristy <urban-warrior@git.imagemagick.org>
Date: Mon, 21 Nov 2011 18:18:24 +0000
Subject: [PATCH]

---
 MagickCore/thread-private.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MagickCore/thread-private.h b/MagickCore/thread-private.h
index 6b726c215..497f13fba 100644
--- a/MagickCore/thread-private.h
+++ b/MagickCore/thread-private.h
@@ -124,7 +124,7 @@ static inline int GetOpenMPThreadId(void)
 static inline void SetOpenMPMaximumThreads(const int threads)
 {
 #if defined(MAGICKCORE_OPENMP_SUPPORT) && (_OPENMP >= 200203)
-  omp_set_num_threads(threads);
+  omp_set_num_threads(threads < 1 ? 1 : threads);
 #else
   (void) threads;
 #endif
-- 
2.40.0