diff --git a/frame/3/gemm/bli_gemm_threading.c b/frame/3/gemm/bli_gemm_threading.c
index 3d85c253f..15ef24e36 100644
--- a/frame/3/gemm/bli_gemm_threading.c
+++ b/frame/3/gemm/bli_gemm_threading.c
@@ -91,6 +91,8 @@ void bli_gemm_thrinfo_free( gemm_thrinfo_t* thread)
     // Free Communicators
     if( thread_am_ochief( thread ) )
         bli_free_communicator( thread->ocomm );
+    if( thread->sub_gemm == NULL && thread_am_ichief( thread ) )
+        bli_free_communicator( thread->icomm );
 
     // Free Sub Thrinfos
     bli_packm_thrinfo_free( thread->opackm );
diff --git a/frame/3/herk/bli_herk_threading.c b/frame/3/herk/bli_herk_threading.c
index 8bc3d3e23..0f708a72c 100644
--- a/frame/3/herk/bli_herk_threading.c
+++ b/frame/3/herk/bli_herk_threading.c
@@ -91,6 +91,8 @@ void bli_herk_thrinfo_free( herk_thrinfo_t* thread)
     // Free Communicators
     if( thread_am_ochief( thread ) ) 
         bli_free_communicator( thread->ocomm );
+    if( thread->sub_herk == NULL && thread_am_ichief( thread ) ) 
+        bli_free_communicator( thread->icomm );
 
     // Free Sub Thrinfos
     bli_packm_thrinfo_free( thread->opackm );
diff --git a/frame/3/trmm/bli_trmm_threading.c b/frame/3/trmm/bli_trmm_threading.c
index d15a45b0c..084484f04 100644
--- a/frame/3/trmm/bli_trmm_threading.c
+++ b/frame/3/trmm/bli_trmm_threading.c
@@ -91,6 +91,8 @@ void bli_trmm_thrinfo_free( trmm_thrinfo_t* thread)
     // Free Communicators
     if( thread_am_ochief( thread ) ) 
         bli_free_communicator( thread->ocomm );
+    if( thread->sub_trmm == NULL && thread_am_ichief( thread ) ) 
+        bli_free_communicator( thread->icomm );
 
     // Free Sub Thrinfos
     bli_packm_thrinfo_free( thread->opackm );
diff --git a/frame/3/trsm/bli_trsm_threading.c b/frame/3/trsm/bli_trsm_threading.c
index 1cfd61ebb..b2935114d 100644
--- a/frame/3/trsm/bli_trsm_threading.c
+++ b/frame/3/trsm/bli_trsm_threading.c
@@ -91,6 +91,8 @@ void bli_trsm_thrinfo_free( trsm_thrinfo_t* thread)
     // Free Communicators
     if( thread_am_ochief( thread ) )
         bli_free_communicator( thread->ocomm );
+    if( thread->sub_trsm == NULL && thread_am_ichief( thread ) ) 
+        bli_free_communicator( thread->icomm );
 
     // Free Sub Thrinfos
     bli_packm_thrinfo_free( thread->opackm );