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-rw-r--r--tool/sqldiff.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tool/sqldiff.c b/tool/sqldiff.c
index 0b3f02cd6..3aae46a1f 100644
--- a/tool/sqldiff.c
+++ b/tool/sqldiff.c
@@ -1139,6 +1139,7 @@ int main(int argc, char **argv){
char **azExt = 0;
g.zArgv0 = argv[0];
+ sqlite3_config(SQLITE_CONFIG_SINGLETHREAD);
for(i=1; i<argc; i++){
const char *z = argv[i];
if( z[0]=='-' ){