--- a/modules/lcms/src/cmsprecache.c
+++ b/modules/lcms/src/cmsprecache.c
@@ -185,16 +185,22 @@ LCMSBOOL LCMSEXPORT cmsPrecacheProfile(c
                      break;
 
               default:
                      // TODO: change non-critical asserts to CMS warnings
                      CMSASSERT(0); // Not implemented
                      break;
        }
 
+       // Free the gamma tables
+       if (hasGammaTables) {
+              CMSASSERT(GTables[0] != NULL);
+              cmsFreeGammaTriple(GTables);
+       }
+
        // Success
        return TRUE;
 }
 
 /*
  * Frees a Precache structure.
  *
  * This function is invoked by the refcounting mechanism when the refcount on