diff --git a/libLanlGeoMag/Lgm/Lgm_CTrans.h b/libLanlGeoMag/Lgm/Lgm_CTrans.h
index e513f356..e0ada3ec 100644
--- a/libLanlGeoMag/Lgm/Lgm_CTrans.h
+++ b/libLanlGeoMag/Lgm/Lgm_CTrans.h
@@ -855,8 +855,6 @@ void        Lgm_GEOD_to_WGS84( double GeodLat, double GeodLong, double GeodHiegh
 void        Lgm_Nutation( double T_TT, double nTerms, double *dPSi, double *dEps );
 int         IsoTimeStringToDateTime( char *TimeString, Lgm_DateTime *d, Lgm_CTrans *c );
 int         MonthStrToNum( char *str );
-char       *Lgm_StrToLower( char *str, int nmax );
-char       *Lgm_StrToUpper( char *str, int nmax );
 
 /*
  * Leap Second Related  Routines
diff --git a/libLanlGeoMag/Lgm/Lgm_Misc.h b/libLanlGeoMag/Lgm/Lgm_Misc.h
index 1710b15c..ae1f0894 100644
--- a/libLanlGeoMag/Lgm/Lgm_Misc.h
+++ b/libLanlGeoMag/Lgm/Lgm_Misc.h
@@ -8,5 +8,7 @@
 
 void Lgm_ReplaceSubString2( char **OutStr, char *OrigStr, char *SubStr, char *RepStr );
 void Lgm_ReplaceSubString( char *OutStr, char *OrigStr, char *SubStr, char *RepStr );
+char *Lgm_StrToLower( char *str, int nmax );
+char *Lgm_StrToUpper( char *str, int nmax );
 
 #endif
diff --git a/libLanlGeoMag/Lgm_CTrans.c b/libLanlGeoMag/Lgm_CTrans.c
index f5857baf..5bd3f28b 100644
--- a/libLanlGeoMag/Lgm_CTrans.c
+++ b/libLanlGeoMag/Lgm_CTrans.c
@@ -58,6 +58,7 @@
  */
 #include "Lgm/Lgm_CTrans.h"
 #include "Lgm/Lgm_Quat.h"
+#include "Lgm/Lgm_Misc.h"
 #include "config.h"
 
 #include <ctype.h>