diff --git a/renderdoc/os/posix/linux/linux_callstack.cpp b/renderdoc/os/posix/linux/linux_callstack.cpp
index e843ff0b7..f0b44b0b9 100644
--- a/renderdoc/os/posix/linux/linux_callstack.cpp
+++ b/renderdoc/os/posix/linux/linux_callstack.cpp
@@ -232,7 +232,7 @@ private:
         char result[2048] = {0};
         fread(result, 1, 2047, f);
 
-        fclose(f);
+        ::pclose(f);
 
         char *line2 = strchr(result, '\n');
         if(line2)