diff --git a/DriverOptions.cpp b/DriverOptions.cpp
index 1f534b6..d179d65 100644
--- a/DriverOptions.cpp
+++ b/DriverOptions.cpp
@@ -35,6 +35,7 @@
     , m_ClTuningLevel(armnn::IGpuAccTunedParameters::TuningLevel::Rapid)
     , m_EnableGpuProfiling(false)
     , m_fp16Enabled(fp16Enabled)
+    , m_FastMathEnabled(false)
 {
 }
 
@@ -45,6 +46,7 @@
     , m_ClTuningLevel(armnn::IGpuAccTunedParameters::TuningLevel::Rapid)
     , m_EnableGpuProfiling(false)
     , m_fp16Enabled(fp16Enabled)
+    , m_FastMathEnabled(false)
 {
 }
 
@@ -54,6 +56,7 @@
     , m_ClTuningLevel(armnn::IGpuAccTunedParameters::TuningLevel::Rapid)
     , m_EnableGpuProfiling(false)
     , m_fp16Enabled(false)
+    , m_FastMathEnabled(false)
 {
     namespace po = boost::program_options;
 
@@ -104,6 +107,10 @@
          "exhaustive approach "
          "rapid: only 3 lws values should be tested for each kernel ")
 
+        ("fast-math,a",
+         po::bool_switch(&m_FastMathEnabled),
+         "Turns FastMath on")
+
         ("gpu-profiling,p",
          po::bool_switch(&m_EnableGpuProfiling),
          "Turns GPU profiling on")