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-rw-r--r--src/prng/random.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/prng/random.c b/src/prng/random.c
index e250e28e..7d557d70 100644
--- a/src/prng/random.c
+++ b/src/prng/random.c
@@ -22,7 +22,7 @@ static int n = 31;
 static int i = 3;
 static int j = 0;
 static uint32_t *x = init+1;
-static int lock[2];
+static volatile int lock[2];
 
 static uint32_t lcg31(uint32_t x) {
 	return (1103515245*x + 12345) & 0x7fffffff;