diff --git a/gprMax/cuda_opencl/knl_source_updates.py b/gprMax/cuda_opencl/knl_source_updates.py
index 6e2a5c41..85203c32 100644
--- a/gprMax/cuda_opencl/knl_source_updates.py
+++ b/gprMax/cuda_opencl/knl_source_updates.py
@@ -126,9 +126,9 @@ update_magnetic_dipole = {
                                             $REAL dx,
                                             $REAL dy,
                                             $REAL dz,
-                                            __global const int* restrict rcinfo1,
-                                            __global const $REAL* restrict rcinfo2,
-                                            __global const $REAL* restrict rcwaveforms,
+                                            __global const int* restrict srcinfo1,
+                                            __global const $REAL* restrict srcinfo2,
+                                            __global const $REAL* restrict srcwaveforms,
                                             __global const unsigned int* restrict ID,
                                             __global $REAL *Hx,
                                             __global $REAL *Hy,
@@ -208,9 +208,9 @@ update_voltage_source = {
                                             $REAL dx,
                                             $REAL dy,
                                             $REAL dz,
-                                            __global const int* restrict rcinfo1,
-                                            __global const $REAL* restrict rcinfo2,
-                                            __global const $REAL* restrict rcwaveforms,
+                                            __global const int* restrict srcinfo1,
+                                            __global const $REAL* restrict srcinfo2,
+                                            __global const $REAL* restrict srcwaveforms,
                                             __global const unsigned int* restrict ID,
                                             __global $REAL *Ex,
                                             __global $REAL *Ey,