diff --git a/matlab/TCV_IMAS/tcv_ids_coil.m b/matlab/TCV_IMAS/tcv_ids_coil.m
index 8fc6ae8171d4beecee6e90c79594b4e02f671b55..9f2bda740adee566734c68e387cdc1d3ceae4612 100644
--- a/matlab/TCV_IMAS/tcv_ids_coil.m
+++ b/matlab/TCV_IMAS/tcv_ids_coil.m
@@ -60,7 +60,7 @@ iT = strcmp('T_003',namepfc);      % Return current
 nt_c(iT)=1;
 
 % Approximate circular G-coil conductor with a square of the same crosssection
-iG=strcmp('G_00',namepfc);
+iG=strncmp('G_00',namepfc,4);
 w_c(iG)=sqrt(xsect_c(iG));
 h_c(iG)=sqrt(xsect_c(iG));