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-rw-r--r--src/CommandOutput.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/CommandOutput.cpp b/src/CommandOutput.cpp
index c221682a1..48a695969 100644
--- a/src/CommandOutput.cpp
+++ b/src/CommandOutput.cpp
@@ -16,9 +16,11 @@
void cCommandOutputCallback::Out(const char * a_Fmt, ...)
{
AString Output;
- va_list args;
+ va_list args, argsCopy;
va_start(args, a_Fmt);
- AppendVPrintf(Output, a_Fmt, args);
+ va_start(argsCopy, a_Fmt);
+ AppendVPrintf(Output, a_Fmt, args, argsCopy);
+ va_end(argsCopy);
va_end(args);
Output.append("\n");
Out(Output);