diff --git a/Tracking/TrkFitter/TrkGaussianSumFilter/src/KLGaussianMixtureReduction.cxx b/Tracking/TrkFitter/TrkGaussianSumFilter/src/KLGaussianMixtureReduction.cxx
index a8d85a57bf16c199139571b64eb9cc7ff788db3d..0ba110e6e7c9ec2ba0a29015eff8677fb7099bfa 100644
--- a/Tracking/TrkFitter/TrkGaussianSumFilter/src/KLGaussianMixtureReduction.cxx
+++ b/Tracking/TrkFitter/TrkGaussianSumFilter/src/KLGaussianMixtureReduction.cxx
@@ -73,7 +73,8 @@ namespace GSFUtils {
  *    Blend packed 8-bit integers from a and b using mask, and store the results
  * in dst.
  */
-__attribute__((target("avx2"))) int32_t
+__attribute__((target("avx2"))) 
+int32_t
 findMinimumIndex(const floatPtrRestrict distancesIn, const int n)
 {
   float* array = (float*)__builtin_assume_aligned(distancesIn, alignment);
@@ -157,7 +158,8 @@ static const auto mm_blendv_epi8 = SSE2_mm_blendv_epi8;
  * for compilation and does not generate any instructions, thus it has zero
  * latency.
  */
-__attribute__((target("sse4.2,sse2"))) int32_t
+__attribute__((target("sse4.2,sse2"))) 
+int32_t
 findMinimumIndex(const floatPtrRestrict distancesIn, const int n)
 {
   float* array = (float*)__builtin_assume_aligned(distancesIn, alignment);